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- SWEAT TYPE ClimbingGeneralist / Other
- BODY TYPE AthleticMuscular
- LOCATION Derbyshire
- AGE 55+
- SIZE PURCHASED S
- How would you rate the fit? Comes up big
- Would you recommend 3RD ROCK to your friends? 1 - No, not at all5 - Yes, very much
FANTASTIC
These are the best jeans I have ever bought and will be buying another pair fairly soon. The style fit me really well and the elasticated waist at the back is a bonus, as I always have to take my jeans in at the back to get the right fit. Although I measured 28” on the waist I bought the 26” (I had tried a friends on and knew the 28” was too big). They are so comfortable. What a find :-)

- SWEAT TYPE Climbing
- BODY TYPE Athletic
- LOCATION St. Petersburg Florida
- AGE 25-34
- SIZE PURCHASED M
- How would you rate the fit? Fits just right
- Would you recommend 3RD ROCK to your friends? 1 - No, not at all5 - Yes, very much
Best climbing pants ever
Super cute, comfortable, durable, and sustainable. All around incredibly happy with them.

- SWEAT TYPE RunningGeneralist / Other
- BODY TYPE AthleticPetite
- LOCATION Sheffield
- AGE 35-44
- SIZE PURCHASED XS
- How would you rate the fit? Comes up big
- Would you recommend 3RD ROCK to your friends? 1 - No, not at all5 - Yes, very much
Lovely fit, so stretchy and comfy.
These are now my favourite jeans. They're comfortable but I love the way they look too. I sized down two sizes in the end as the pair I ordered first were huge using the size guide.

- Would you recommend 3RD ROCK to your friends? 1 - No, not at all5 - Yes, very much
- How would you rate the fit? Comes up big
- SIZE PURCHASED S
- AGE 25-34
- LOCATION UK
- BODY TYPE Slim
- SWEAT TYPE I don't sweat itI just love sustainable clothing
Really comfortable
I bought these jeans in a size W26 after reading other reviews recommending to size down (I'm a UK10 for reference), and I'm so happy with them. They're so stretchy, they don't limit my movement when climbing, but they look like regular jeans! However, even with sizing down there's a bit of extra space round the waist - Id probably stick with the same size if buying again as I like how they look/fit, but they definitely do come up big (I'd probably fit the size down). Only issue I've had with them is the stitching on the back pocket started to unravel the first time I wore them

- Would you recommend 3RD ROCK to your friends? 1 - No, not at all5 - Yes, very much
- How would you rate the fit? Fits just right
- SIZE PURCHASED M
- AGE 25-34
- LOCATION South UK
- BODY TYPE Curvey
- SWEAT TYPE I don't sweat itI just love sustainable clothing
So comfy
Really comfy, lovely fit and true to size
Sizing Charts
Select Category
Find Size Chart For:
Size | Chest/Bust | Underbust | Waist |
---|---|---|---|
XXS/UK 6 | 30 | 24-26 | 24 |
XS/UK 8 | 32 | 26-28 | 26 |
S/UK 10 | 34 | 28-30 | 28 |
M/UK 12 | 36 | 30-32 | 30 |
L/UK 14 | 38 | 32-34 | 32 |
XL/UK 16 | 40 | 34-36 | 34 |
XXL/UK 18 | 42 | 36-38 | 36 |
How to Measure

BRA TOPS - If you cup size is particularly large but your underbust is not. we suggest going one underbust size larger maximum, as the elastic must not be too loose.
Please see individual product page description for more detailed information
Size | Chest/Bust | Underbust | Waist |
---|---|---|---|
XXS/UK 6 | 76.5 | 61-66 | 61 |
XS/UK 8 | 81.6 | 66-71 | 66 |
S/UK 10 | 86.7 | 71-76 | 71 |
M/UK 12 | 91.7 | 76-81.5 | 76 |
L/UK 14 | 96.8 | 81.5-86.5 | 81 |
XL/UK 16 | 101.9 | 86.5-91.5 | 86 |
XXL/UK 18 | 107.0 | 91.5-96.5 | 91 |
How to Measure

BRA TOPS - If you cup size is particularly large but your underbust is not. we suggest going one underbust size larger maximum, as the elastic must not be too loose.
Please see individual product page description for more detailed information
PREVIOUSLY LABELLED | New Size Label | Waist | Hips | Short Inseam (SL) | Regular Inseam (RL) | Long Inseam (LL) |
---|---|---|---|---|---|---|
XXS | 24"/UK 6 | 24 | 33 | 30 | 32 | 34 |
XS | 26"/UK 8 | 26 | 35 | |||
S | 28"/UK 10 | 28 | 37 | |||
M | 30"/UK 12 | 30 | 39 | |||
L | 32"/UK 14 | 32 | 41 | |||
XL | 34"/UK 16 | 34 | 43 | |||
XXL | 36"/UK 18 | 36 | 45 |
How to Measure

BRA TOPS - If you cup size is particularly large but your underbust is not. we suggest going one underbust size larger maximum, as the elastic must not be too loose.
Please see individual product page description for more detailed information
PREVIOUSLY LABELLED | NEW SIZE LABEL | Waist | Hips | Short Inseam (SL) | Regular Inseam (RL) | Long Inseam (LL) |
---|---|---|---|---|---|---|
XXS | 24"/UK 6 | 61 | 84 | 76.2 | 81.3 | 86.4 |
XS | 26"/UK 8 | 66 | 89.1 | |||
S | 28"/UK 10 | 71.2 | 94.2 | |||
M | 30"/UK 12 | 76.2 | 99.2 | |||
L | 32"/UK 14 | 81.3 | 104.3 | |||
XL | 34"/UK 16 | 86.4 | 109.4 | |||
XXL | 36"/UK 18 | 91.5 | 114.5 |
How to Measure

BRA TOPS - If you cup size is particularly large but your underbust is not. we suggest going one underbust size larger maximum, as the elastic must not be too loose.
Please see individual product page description for more detailed information
Find Size Chart For:
Size | Chest/Bust | Waist |
---|---|---|
XXS | 33 | 26 |
XS | 35 | 28 |
S | 37 | 30 |
M | 39 | 32 |
L | 41 | 34 |
XL | 43 | 36 |
XXL | 45 | 38 |
How to Measure

Size | Chest/Bust | Waist |
---|---|---|
XXS | 84 | 66 |
XS | 88.9 | 71.1 |
S | 94.0 | 76.2 |
M | 99.1 | 81.3 |
L | 104.1 | 86.4 |
XL | 109.2 | 91.4 |
XXL | 114.3 | 96.5 |
How to Measure

Size | Waist | Hips | Short Inseam (SL) | Regular Inseam (RL) | Long Inseam (LL) |
---|---|---|---|---|---|
26"/XXS | 26 | 32 | 30 | 32 | 34 |
28"/XS | 28 | 34 | |||
30"/S | 30 | 36 | |||
32"/M | 32 | 38 | |||
34"/L | 34 | 40 | |||
36"/XL | 36 | 42 | |||
38"/XXL | 38 | 44 |
How to Measure

Size | Waist | Hips | Inseam Short (SL) | Inseam Regular (RL) | INSEAM LONG (LL) |
---|---|---|---|---|---|
26"/XXS | 66.0 | 81.3 | 76.2 | 81.3 | 86.4 |
28"/XS | 71.1 | 86.4 | |||
30"/S | 76.2 | 91.4 | |||
32"/M | 81.3 | 96.5 | |||
34"/L | 86.4 | 101.6 | |||
36"/XL | 91.4 | 106.7 | |||
38"/XXL | 95.5 | 111.8 |
How to Measure

Find Size Chart For:
AGE | CHEST | WAIST | HIPS | INSEAM | HEIGHT |
---|---|---|---|---|---|
7-8 | 25 | 22.5 | 29 | 23.5 | 47 |
9-10 | 27.0 | 23.5 | 31 | 25.6 | 50 |
11-13 | 29.5 | 24 | 33 | 27.8 | 54 |
WOMEN'S XXS/UK 6 | 30 | 24 | 33 | 30 |
AGE | CHEST | WAIST | HIPS | INSEAM | HEIGHT |
---|---|---|---|---|---|
7-8 | 63.5 | 57.2 | 73.7 | 59.7 | 119.4 |
9-10 | 68.6 | 59.7 | 78.7 | 65.0 | 127.0 |
11-13 | 74.9 | 61.0 | 83.8 | 70.6 | 137.2 |
WOMEN'S XXS/UK 6 | 76.2 | 61.0 | 83.8 | 76.2 |
AGE | CHEST | WAIST | HIPS | INSEAM | HEIGHT |
---|---|---|---|---|---|
7-8 | 25 | 23 | 28 | 23.5 | 50 |
9-10 | 27.0 | 24.5 | 29.5 | 25.6 | 54 |
11-13 | 29.5 | 26 | 31.5 | 27.8 | 59 |
MEN'S XXS | 33 | 26 | 32 | 30 |
AGE | CHEST | WAIST | HIPS | INSEAM | HEIGHT |
---|---|---|---|---|---|
7-8 | 63.5 | 58.4 | 71.1 | 59.7 | 127.0 |
9-10 | 68.6 | 62.2 | 74.9 | 65.0 | 137.2 |
11-13 | 74.9 | 66.0 | 80.0 | 70.6 | 149.9 |
MEN'S XXS | 83.8 | 66.0 | 81.3 | 76.2 |