Skip to content
  1. SAVE UP TO 75% OFF IN OUR BLACK FRIDAY SALE!SHOP NOW
  2. WE'RE PLANTING A TREE PER ORDER THIS BLACK FRIDAY!Learn More

 support@3rdrockclothing.com

Country

ECOMorph Denim Collection

EcoMorph Denim Jeans

Our EcoMorph jeans are super stretchy & mega sustainable. Don't believe us? Learn more.

Filter and sort
Clear all

  • On Sale

Donald is 6ft 1″ with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL Aaliyah is 5ft 8" with a 26" waist, 35" hips & a 33" inseam and is wearing a size 26RL
3rd rock sustainable movement denim jeans with a relaxed fit - Aaliyah is 5ft 8" with a 26" waist, 35" hips & a 33" inseam and is wearing a size 26RL. F
3rd rock sustainable relaxed fit movement denim jeans - Donald is 6ft 1″ with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL. M
3rd rock sustainable movement denim Gaia jeans - Donald is 6ft 1″ with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL. M
3rd rock Gaia jeans with a relaxed fit - Donald is 6ft 1″ with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL. M
3rd rock eco denim jeans with a relaxed fit - Aaliyah is 5ft 8" with a 26" waist, 35" hips & a 33" inseam and is wearing a size 26RL. F
Our gaia jeans are availalbe in 2 different indigo washes!
3rd rock sustainable movement denim jeans with a relaxed fit - Aaliyah is 5ft 8" with a 26" waist, 35" hips & a 33" inseam and is wearing a size 26RL. F
3rd rock sustainable movement denim jeans with a relaxed fit - Aaliyah is 5ft 8" with a 26" waist, 35" hips & a 33" inseam and is wearing a size 26RL. F
3rd rock sustainable movement denim jeans with a relaxed fit - Donald is 6ft 1″ with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL. M
3rd rock sustainable movement denim jeans with a relaxed fit - Aaliyah is 5ft 8" with a 26" waist, 35" hips & a 33" inseam and is wearing a size 26RL. F
3rd rock Gaia denim jeans for climbing and outdoor adventure - Aaliyah is 5ft 8" with a 26" waist, 35" hips & a 33" inseam and is wearing a size 26RL. F
Our Gaia jeans are wild inside, but are you?
3rd rock sustainable movement denim jeans with a relaxed fit.
Nature is calling, accoridng to our zip fly opening
3rd rock sustainable movement denim jeans with a relaxed fit - Donald is 6ft 1″ with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL. M
3rd rock sustainable movement denim jeans with a relaxed fit - Donald is 6ft 1″ with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL. M
3rd rock sustainable movement denim jeans with a relaxed fit - Donald is 6ft 1″ with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL. M
3rd rock Gaia climbing jeans - Donald is 6ft 1″ with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL. F
3rd rock sustainable movement denim jeans with a relaxed fit - Donald is 6ft 1″ with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL. F

GAIA

Unisex relaxed tapered leg

+ More options

 £76.50 £90.00

GAIA

  • On Sale

GAIA

  • On Sale

Donald is 6ft 1″ with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL Jess is 5ft 8” with a 29" waist, 38" hips & a 32.5" inseam and is wearing a size 28RL
3rd rock Jupiter eco jeans for active lifestyles - Donald is 6ft 1″ with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL. M
3rd rock eco movement jeans for active people - Donald is 6ft 1″ with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL. M
3rd rock Jupiter eco jeans for active lifestyles - Jess is 5ft 8” with a 29" waist, 38" hips & a 32.5" inseam and is wearing a size 28RL. F
3rd rock Jupiter eco jeans for active lifestyles - Donald is 6ft 1″ with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL. M
A close up look at our signature back pocket stitching on the Jupiter jeans
3rd rock Jupiter eco jeans for active lifestyles - Donald is 6ft 1″ with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL. M
3rd rock Jupiter eco jeans for active lifestyles - Jess is 5ft 8” with a 29" waist, 38" hips & a 32.5" inseam and is wearing a size 28RL. F
3rd rock Jupiter jeans for climbers and active people- Jess is 5ft 8” with a 29" waist, 38" hips & a 32.5" inseam and is wearing a size 28RL. F

JUPITER

Unisex mid rise slim tapered leg

+ More options

 £76.50 £90.00

JUPITER

  • On Sale

JUPITER

  • On Sale

  • NEW DROP!

MARGO
3RD ROCK Margo climbing and adventure trousers - Jerome is 5ft 10" with a 31" waist & 38" hips. Here he is wearing a size 32RL.
MARGO
MARGO
3RD ROCK Margo organic cotton climbing and adventure trousers - Jess is 5ft 8” with a  29" waist, 38" hips & a 32.5" inseam and is wearing a size 28RL.
3RD ROCK Margo organic cotton outdoor trousers - Jerome is 5ft 10" with a 31" waist & 38" hips. Here he is wearing a size 32RL.
MARGO
3rd rock margo trousers close up on our calf logo
MARGO
MARGO
3RD ROCK sustainable adventure margo trousers. F
3RD ROCK sustainable rock climbing trousers . F
MARGO
3rd rock sustainable outdoor margo trousers - Donald is 6ft 1″ with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL. M
3RD ROCK Margo climbing and adventure trousers - Jess is 5ft 8” with a  29" waist, 38" hips & a 32.5" inseam and is wearing a size 28RL.
3RD ROCK Margo organic cotton adventure trousers - Jerome is 5ft 10" with a 31" waist & 38" hips. Here he is wearing a size 32RL.
3rd rock clothing margo pants - Donald is 6ft 1″ with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL. M
MARGO
3rd rock outdoor clothing margo trousers in yellow - Jess is 5ft 8” with a 29" waist, 38" hips & a 32.5" inseam and is wearing a size 28RL. F
Becky climbing in the margo trousers. F
3rd rock clothing margo trousers unisex style in our shark colour - Donald is 6ft 1″ with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL. M
MARGO
3RD ROCK Margo purple womens climbing trousers - Jess is 5ft 8” with a  29" waist, 38" hips & a 32.5" inseam and is wearing a size 28RL.
3rd rock clothing margo trousers - Jess is 5ft 8” with a 29" waist, 38" hips & a 32.5" inseam and is wearing a size 28RL. F
3rd rock clothing margo trousers in honey badger - Jess is 5ft 8” with a 29" waist, 38" hips & a 32.5" inseam and is wearing a size 28RL F
3rd rock clothing margo trousers for active lifestyles - Donald is 6ft 1″ with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL. M
MARGO

MARGO

Performance stretch twill trouser

+1

+ More options

 £68.00 £80.00

MARGO

  • On Sale

  • NEW DROP!

MARGO

  • On Sale

3RD ROCK Sustainable skinny jeans - Jess is 5ft 8” with a  29" waist, 38" hips & a 32.5" inseam and is wearing a size 28RL.
3RD ROCK stretchy skinny jeans - Jess is 5ft 8” with a  29" waist, 38" hips & a 32.5" inseam and is wearing a size 28RL.
3RD ROCK sustainable climbing jeans for wild adventures
3RD ROCK Sustainable skinny climbing jeans - Jess is 5ft 8” with a  29" waist, 38" hips & a 32.5" inseam and is wearing a size 28RL.
3RD ROCK Sustainable skinny jeans suitable for climbing, hiking even yoga!
3RD ROCK super stretchy skinny eco jeans - Jess is 5ft 8” with a  29" waist, 38" hips & a 32.5" inseam and is wearing a size 28RL.
3RD ROCK sustianable denim jeans
3RD ROCK Sustainable stretchy max movement skinny jeans - Jess is 5ft 8” with a  29" waist, 38" hips & a 32.5" inseam and is wearing a size 28RL.

MARPLE

Super stretch high waisted skinny jeans

+ More options

 £76.50 £90.00

MARPLE

  • On Sale

MARPLE

  • On Sale

Donald is 6ft 1″ with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL Aaliyah is 5ft 8" with a 26" waist, 35" hips & a 33" inseam and is wearing a size 26RL
3rd rock sustainable denim unisex mars jeans - Aaliyah is 5ft 8" with a 26" waist, 35" hips & a 33" inseam and is wearing a size 26RL. F
3RD ROCK sustainable unisex movemet jeans - Donald is 6ft 1″  with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL. M
3RD ROCK sustainable denim jeans - Aaliyah is 5ft8" with a 26" waist, 35" hips & a 33" inseam and is wearing a size 26RL. F
3RD ROCK sustainable movement jeans - Aaliyah is 5ft8" with a 26" waist, 35" hips & a 33" inseam and is wearing a size 26RL. F
Have you seen our cheeky little message we add to the zipper on our jeans?
3RD ROCK sustainable jeans made with stretchy elastane - Donald is 6ft 1″  with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL. M
3rd rock sustainable denim jeans are calling, nature calls
3rd rock sustainable denim unisex mars jeans with our signature back pocket logo. F
3RD ROCK sustainable denim jeans for climbing & chilling - Aaliyah is 5ft8" with a 26" waist, 35" hips & a 33" inseam and is wearing a size 26RL. F
3rd rock sustainable denim unisex mars jeans - Aaliyah is 5ft 8" with a 26" waist, 35" hips & a 33" inseam and is wearing a size 26RL F
3RD ROCK sustainable organic cotton jeans - Donald is 6ft 1″  with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL. M
3rd rock unisex mars climbing and active jeans - Donald is 6ft 1″ with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL. M
A close up photo of our kne darts, which allow extra range of motion when climbing, scrambling or walking
3rd rock sustainable denim unisex mars jeans - Donald is 6ft 1″ with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL. M

MARS

Classic straight leg jeans

+ More options

 £76.50 £90.00

MARS

  • On Sale

MARS

  • On Sale

3RD ROCK Mercury sustainable movement jeans - Donald is 6ft1″  with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL.
Donald is 6ft 1″ with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL
3RD ROCK Mercury stretch denim made for climbing and active lifestyles - Donald is 6ft1″  with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL.
3RD ROCK sustainable denim
3RD ROCK sustainable jeans for climbing and active lifestyles
3RD ROCK Mercury sustianable lifestyle jeans - Donald is 6ft1″  with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL.
MERCURY
3RD ROCK Mercury organic cotton and stretchy jeans - Donald is 6ft1″  with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL.
3RD ROCK mercury jeans made with organic cotton for active lifestyle
3RD ROCK Mercury sustianable climbing jeans - Donald is 6ft1″  with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL.
3RD ROCK Mercury straight leg slim cut jeans - Donald is 6ft1″  with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL.
MERCURY
Donald is 6ft 1″ with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL
Donald is 6ft 1″ with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL
Donald is 6ft 1″ with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL
3RD ROCK stretchy sustianable jeans - Donald is 6ft1″  with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL.

MERCURY

Men’s Straight slim leg

+ More options

 £76.50 £90.00

MERCURY

  • On Sale

MERCURY

  • On Sale

  • SUSTAINABLE 🌿

JUPITER
Aaliyah is 5ft8" with a 26" waist, 35" hips & a 33" inseam and is wearing a size 26RL
JUPITER
JUPITER
JUPITER
JUPITER
Donald is 6ft 1″ with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL
Donald is 6ft 1″ with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL
Aaliyah is 5ft 8" with a 26" waist, 35" hips & a 33" inseam and is wearing a size 26RL
Donald is 6ft 1″ with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL
JUPITER
3rd rock sustainable jeans - Ed is 5ft 9" with a 29" waist. Here he is wearing a size 30RL. M
JUPITER
Donald is 6ft 1″ with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL
Emma is 5ft 7" with a 27" waist, 40" hips & a 31" inseam and is wearing a size 30RL
JUPITER
JUPITER
JUPITER
Emma is 5ft 7" with a 27" waist, 40" hips & a 31" inseam and is wearing a size 30RL
JUPITER
Aaliyah is 5ft 8" with a 26" waist, 35" hips & a 33" inseam and is wearing a size 26RL

JUPITER

Unisex mid rise slim tapered leg

+ More options

 £63.00 £90.00

JUPITER

  • On Sale

  • SUSTAINABLE 🌿

JUPITER

  • On Sale

MARPLE
MARPLE
MARPLE
MARPLE
3rd rock climbing eco jeans - Beth is 6ft with a 28" waist & 38" hips. Here she is wearing a 28LL.
3rd rock active lifestlye jeans - Beth is 6ft with a 28" waist & 38" hips. Here she is wearing a 28LL.
MARPLE
MARPLE
3rd rock climbing eco jeans - Beth is 6ft with a 28" waist & 38" hips. Here she is wearing a 28LL.
MARPLE
MARPLE
MARPLE
MARPLE

MARPLE

Max movement skinny jeans

+ More options

 £45.00 £90.00

MARPLE

  • On Sale

MARPLE

  • On Sale

Donald is 6ft 1″ with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL Aaliyah is 5ft 8" with a 26" waist, 35" hips & a 33" inseam and is wearing a size 26RL
MARS
3RD ROCK sustainable jeans - Emma is 5ft 7" with a 27" waist & 40" hips. Here she is wearing a size 30RL. F
MARS
Donald is 6ft 1″ with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL
MARS
Aaliyah is 5ft 8" with a 26" waist, 35" hips & a 33" inseam and is wearing a size 26RL
MARS
Aaliyah is 5ft 8" with a 26" waist, 35" hips & a 33" inseam and is wearing a size 26RL
Donald is 6ft 1″ with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL
Donald is 6ft 1″ with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL
MARS
Aaliyah is 5ft 8" with a 26" waist, 35" hips & a 33" inseam and is wearing a size 26RL
MARS
Aaliyah is 5ft 8" with a 26" waist, 35" hips & a 33" inseam and is wearing a size 26RL
Becky rocking the Mars when bouldering in South wales. F
Donald is 6ft 1″ with a 30" waist, 36" hips & a 33" inseam and is wearing a size 30LL
MARS
MARS
MARS

MARS

Max movement classic jean

+ More options

 £76.50 £90.00

MARS

  • On Sale

MARS

  • On Sale

3rd rock clothing sustainable jeans - Jerome is 5ft 10" with a 30" waist & 37" hips. Here he is wearing a size 30RL. M
MERCURY RELAXED FIT
MERCURY RELAXED FIT
MERCURY RELAXED FIT
MERCURY RELAXED FIT
MERCURY RELAXED FIT
MERCURY RELAXED FIT
3rd rock clothing sustainable jeans - Jerome is 5ft 10" with a 30" waist & 37" hips. Here he is wearing a size 30RL. M
MERCURY RELAXED FIT
MERCURY RELAXED FIT
MERCURY RELAXED FIT
MERCURY RELAXED FIT
MERCURY RELAXED FIT
MERCURY RELAXED FIT
MERCURY RELAXED FIT
MERCURY RELAXED FIT
MERCURY RELAXED FIT

MERCURY RELAXED FIT

Our "OG" performance jeans, with a slightly wider leg

+ More options

 £45.00 £90.00

MERCURY RELAXED FIT

  • On Sale

MERCURY RELAXED FIT

  • On Sale

  • BEST SELLER

GAIA
GAIA
GAIA
GAIA
GAIA
GAIA
GAIA
GAIA
3rd rock active jeans - Emma is 5ft 7" with a 27" waist & 40" hips. Here she is wearing a size 30RL. F
3rd rock active jeans - Emma is 5ft 7" with a 27" waist & 40" hips. Here she is wearing a size 30RL. F
GAIA
GAIA
GAIA

GAIA

Unisex relaxed fit jeans

+ More options

 £63.00 £90.00

GAIA

  • On Sale

  • BEST SELLER

GAIA

  • On Sale

MARPLE JEANS | Skinny Cut Stretchy Sustainable Jeans | 3RD ROCK Clothing - Kendal is 5ft 7 with a 28" waist, 38" hips and wears a size 28/RL F
MARPLE
MARPLE JEANS | Skinny Cut Stretchy Sustainable Jeans | 3RD ROCK Clothing - Laura is 5ft 6 with a 31" waist, 43" hips and wears a size 32/RL F
MARPLE JEANS | Skinny Cut Stretchy Sustainable Jeans | 3RD ROCK Clothing - Kendal is 5ft 7 with a 28" waist, 38" hips and wears a size 28/RL F
MARPLE
MARPLE
MARPLE
MARPLE
MARPLE JEANS | Skinny Cut Stretchy Sustainable Jeans | 3RD ROCK Clothing - Kendal is 5ft 7 with a 28" waist, 38" hips and wears a size 28/RL F
MARPLE JEANS | Skinny Cut Stretchy Sustainable Jeans | 3RD ROCK Clothing - Laura is 5ft 6 with a 31" waist, 43" hips and wears a size 32/RL F
MARPLE JEANS | Skinny Cut Stretchy Sustainable Jeans | 3RD ROCK Clothing - Laura is 5ft 6 with a 31" waist, 43" hips and wears a size 32/RL F

MARPLE

Skinny Cut Sustainable Ultimate Mover Jeans

 £45.00 £90.00

MARPLE

  • On Sale

MARPLE

  • On Sale

MARS JEANS | Organic Ultimate Movement Jeans | 3RD ROCK Clothing - Donald is 6ft 1 with a 29" waist, 36" hips and wears a 30/LL, but can also wear a 28" waist for a slimmer fit. M
MARS JEANS | Organic Ultimate Movement Jeans | 3RD ROCK Clothing - Donald is 6ft 1 with a 29" waist, 36" hips and wears a 30/LL, but can also wear a 28" waist for a slimmer fit. M
James taking the Alex Fleece & Mars Jeans for a test run. M
MARS
MARS JEANS | Organic Ultimate Movement Jeans | 3RD ROCK Clothing - Sophie is 5ft 9 with a 34" waist, 42" hips and wears a size 34/RL. F
3RD ROCK Clothing Mars sustainable jeans - Kendal is 5ft 7" with a 28" waist, 38" hips and wears a size 30/RL. F
Putting the Mars sustainable climbing jeans to the test. M
MARS JEANS | Organic Ultimate Movement Jeans | 3RD ROCK Clothing - Sophie is 5ft 9 with a 34" waist, 42" hips and wears a size 34/RL. F
3RD ROCK Sustainable Jeans MARS - Oliver is 6ft 2" with a 34" waist, 40" hips and wears a 34/LL. M
MARS JEANS | Organic Ultimate Movement Jeans | 3RD ROCK Clothing - Donald is 6ft 1 with a 29" waist, 36" hips and wears a 30/LL, but can also wear a 28" waist for a slimmer fit. M
Oliver is 6ft 2" with a 34" waist, 40" hips and wears a 34/LL. M
MARS JEANS | Organic Ultimate Movement Jeans | 3RD ROCK Clothing - Donald is 6ft 1 with a 29" waist, 36" hips and wears a 30/LL, but can also wear a 28" waist for a slimmer fit. M
3RD ROCK MARS Eco Jeans - Oliver is 6ft 2" with a 34" waist, 40" hips and wears a 34/LL. M
MARS
The Mars sustainable jeans pairs with our sustainable retro fleece, the Alex - Oliver is 6ft 2" with a 34" waist, 40" hips and wears a 34/LL. M

MARS

Organic Ultimate Movement Jeans

 £76.50 £90.00

MARS

  • On Sale

MARS

Shopping Cart

Your cart is currently empty

Shop now