3RD ROCK | Eco-clothing for Dynamic Living

ORGANIC ADVENTURE TROUSERS

Shop our Organic Cotton Twills

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BRUSHED BATABOOMS

Super cosy, organic cotton sweats

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✨ RANGER SHIRT ✨

Our recycled, technical active shirt

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♥ SALMA ♥

Our new seamless leggings!

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OUR TOP COLLECTIONS

BRAND NEW

3RD ROCK clothing sustainable buttoned shirt - Jerome is 5ft 10

3RD ROCK clothing active buttoned flannel shirt - Jerome is 5ft 10

RANGER SHIRT

NEW DROP!

MARGO

Performance stretch twill trouser

6

£80.00

NEW DROP!

MARGO

REINFORCED 💪

NOVA

Reinforced adventure trousers

4

£80.00

REINFORCED 💪

NOVA

NEW DROP!

GAIA TWILL

Unisex relaxed twill trousers

2

£90.00

NEW DROP!

GAIA TWILL

BEST SELLER ❤️

MARS

Classic straight leg jeans

2

£90.00

BEST SELLER ❤️

MARS

NEW DROP!

JOHNSON

3RD ROCK stretchy cargo trousers for rock climbing and casual lifestyle - Jess is 5ft 8” with a 29

3RD ROCK stretchy cargo trousers for climbing and active lifestyles - Donald is 6ft1″ with a 30

STRIDER

JUPITER

3rd rock sustainable movement denim jeans with a relaxed fit - Aaliyah is 5ft 8

GAIA

MARPLE

3RD ROCK stretchy skinny jeans - Jess is 5ft 8” with a 29

3RD ROCK Sustainable skinny jeans - Jess is 5ft 8” with a 29

MARPLE

Super stretch high waisted skinny jeans

£90.00

MARPLE

MERCURY

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SUSTAINABLE ACTIVE DENIM

Jeans designed to keep up with you

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

So flexible, look great and are super comfortable. Was a bit unsure at first but now so glad I got these!

~ Kat reviewing the Jupiter Jeans

3rd rock activewear trousers - Kendal is 5ft 7" with a 28" waist, 38" hips and wears a size 30/RL. F

Best pants ever.
So comfy I don't want to take them off!

~ Helen reviewing the Batabooms

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

I have never owned such comfortable pants. They move and stretch along no matter what I do.
I now not only wear them to go climbing, but also to festivals, for a day around town... They are amazing and comfy AF!

~ Femke reviewing the Gaia jeans

Shop the faves

3RD ROCK Journal

Jan 7, 2026

Adventure

Books to inspire your adventures

Our film & book recommendations to inspire your adventures Who doesn't love a great, inspirin...

Our 2025 Sustainability Report

Our 2025 Sustainability Report If you've ever bought a pair of our jeans, you've more than likely...

3RD ROCK Christmas Gift Guide

Our 2025 Christmas Gift Guide We all know that one person who is impossible to buy for. The "if I wa...

PIONEERS OF SUSTAINABLE ACTIVEWEAR

Founded in 2010 by Fashion Designer, Pattern Cutter and climber, Jessica Mor. 3RD ROCK is based in the Peak District, UK and since day 1 we've been paving the way in sustainable activewear & outdoorswear - if it's not sustainable it's not 3RD ROCK!

SUSTAINABLY 3RD ROCK

Join us as we redefine what it means to be sustainably stylish, making a positive impact with every adventure.

Learn more

Country

ORGANIC ADVENTURE TROUSERS

BRUSHED BATABOOMS

✨ RANGER SHIRT ✨

♥ SALMA ♥