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NEW: Johnson

A versatile, unisex trouser that moves with you.

Style, comfort, and durability in one.

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SEAMLESS COMFORT

NEW Salma Seamless Leggings

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NEW SPRING COLLECTION 🌸

Spring is here, and so is our new collection

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SUSTAINABLE TEES

Say hello to our new season sustainable tee collection

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NEW COMFORT COTTON LUNA

A breathable, organic hug for your tatas

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Popular Collections

  • NEW DESIGN 😍

3RD ROCK sustainable organic twill casual lifestyle trousers - Donald is 6ft1″  with a 30 Donald is 6ft 1″ with a 30

JOHNSON

Twill stretch trousers
£90.00
Donald is 6ft 1″ with a 30

GAIA TWILL

Unisex relaxed twill trousers
£90.00

  • ORGANIC COTTON 🌿

3RD ROCK organic cotton bra top - Becky is 5ft 3 3RD ROCK Sustainable clothing & activewear - Aaliyah is 5ft 8

LUNA BRA

Organic cotton bra top
£50.00

  • NEW DESIGN 🔥

3RD ROCK sustainable recycled paisley shorts for climbing and summer adventures 3RD ROCK sustainable recycled paisley shorts - Aaliyah is 5ft8

ASH SHORTS

Lightweight high rise shorts
£49.00
3RD ROCK unisex tee with our sun print logo - Aaliyah is 5ft8 3RD ROCK Clothing unisex tee made with organic cotton - Donald is 6ft 1″  with a 40

UNISEX TEE

Organic cotton tee with sun print

+ More options

 £30.00
Jess is 5ft 8” with a 29 Donald is 6ft 1″ with a 30

MARGO

Performance stretch twill trouser

+ More options

 £90.00

  • REINFORCED 💪

Donald is 6ft 1″ with a 30 Donald is 6ft 1″ with a 30

NOVA

Reinforced adventure trousers
£90.00
3RD ROCK organic cotton melba colour vest with front logo - Aaliyah is 5ft8 3RD ROCK organic cotton vest with sun & mountains logo - Aaliyah is 5ft8

ALICE VEST

Organic cotton sun print vest

+ More options

 £30.00

  • SEAMLESS! ❤

3RD ROCK Salma Seamless Performance Leggings with Pockets - Becky is 5ft 3 3RD ROCK Salma Seamless Recycled Performance Leggings with Pockets - Aaliya is 5ft 8

SALMA

Seamless performance leggings
£60.00

  • RECYCLED ♻

Donald is 6ft 1″ with a 30

HIRO LIGHT

Technical performance trousers
£80.00

  • BEST SELLER! 🔥

3RD ROCK sustainable organic cotton yoga sweatpants - Donald is 6ft1″  with a 30

BATABOOM LIGHT

Lightweight organic cotton sweats
£69.00

  • NEW DESIGN ✨

3RD ROCK Recycled 3/4 length yoga and climbing trousers - Ed is 5ft 8 3RD ROCK recycled 3/4 length trousers - Aaliyah is 5ft8

ASHI LONG

Lightweight relaxed cropped trouser
£60.00
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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

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SUSTAINABLE ACTIVE DENIM

Jeans designed to keep up with you

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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!

Yoga Collection

Active Collection

Climbing Collection

SUSTAINABLY 3RD ROCK

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

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3RD ROCK Journal

Johnson: The twill sibling to our Mars jean

Apr 10, 2025

Johnson: The twill sibling to our Mars jean
We know how much you love the Mars jeans. From weekend climbs to casual city strolls, Mars has become a go-to for folks who crave movement, durability, and style. But we also know that sometimes you want something that gives off a slightly different, earthier vibe. Meet the Johnson trouser — the twill sibling to our best-selling Mars.

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Respecting the outdoors: Scotland

Apr 2, 2025

Respecting the outdoors: Scotland
Scotland is a fantastic place to explore, with mountains, glens, islands and lochs at our fingertips just waiting for adventure. Although it is within the UK, did you know there are some differences in access rights between Scotland and the rest or the UK?

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