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MOVEMENT DENIM

Made with organic cotton and designed to move

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ORGANIC ADVENTURE TROUSERS

Shop our Organic Cotton Twills

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BRUSHED BATABOOMS

Super cosy, organic cotton sweats

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♥ SALMA ♥

Our new seamless leggings!

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OUR TOP COLLECTIONS

3rd rock Jupiter eco jeans for active lifestyles - Donald is 6ft 1″ with a 30 Donald is 6ft 1″ with a 30

JUPITER

Unisex mid rise slim tapered leg

+ More options

 £90.00

JUPITER

JUPITER

  • BEST SELLER ❤️

3rd rock sustainable denim unisex mars jeans - Aaliyah is 5ft 8 Donald is 6ft 1″ with a 30

MARS

Classic straight leg jeans

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 £90.00

MARS

  • BEST SELLER ❤️

MARS

  • BEST SELLER

GAIA

Unisex relaxed fit jeans

+ More options

 £90.00

GAIA

  • BEST SELLER

GAIA
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

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 £90.00

MARPLE

MARPLE
3rd rock clothing sustainable jeans - Jerome is 5ft 10

MERCURY RELAXED FIT

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

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 £90.00

MERCURY RELAXED FIT

MERCURY RELAXED FIT
Donald is 6ft 1″ with a 30 3RD ROCK Mercury sustainable movement jeans - Donald is 6ft1″  with a 30

MERCURY

Men’s Straight slim leg

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 £90.00

MERCURY

MERCURY

  • SUSTAINABLE 🌿

Aaliyah is 5ft8

JUPITER

Unisex mid rise slim tapered leg

+ More options

 £90.00

JUPITER

  • SUSTAINABLE 🌿

JUPITER

MARPLE

Max movement skinny jeans

+ More options

 £90.00

MARPLE

MARPLE
3rd rock sustainable movement denim jeans with a relaxed fit - Aaliyah is 5ft 8 Donald is 6ft 1″ with a 30

GAIA

Unisex relaxed tapered leg

+ More options

 £90.00

GAIA

GAIA
Donald is 6ft 1″ with a 30

MARS

Max movement classic jean

+ More options

 £90.00

MARS

MARS
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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

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3RD ROCK IN THE WILD

Check out just how awesome our community are!

3RD ROCK Journal

3RD ROCK Trousers and their adventures

Jan 22, 2026

Adventure

3RD ROCK Trousers and their adventures
We love seeing our trousers pop-up in all sorts of awesome places around the world! So much so we wanted to highlight some of the incredible places they've been (outside of the UK)! 🗺️

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Books to inspire your adventures

Jan 7, 2026

Adventure

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

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Our 2025 Sustainability Report

Dec 10, 2025

Sustainability

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

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Go to the journal

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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