3RD ROCK | Clothing for Dynamic Living

SEAMLESS COMFORT

NEW Salma Seamless Leggings

SHOP NOW

THE ULTIMATE COMMUTER TROUSER

Say hello to the perfect combo of showerpoofing, stretch and sustainability

SHOP AUSTIN

WINTER LEGGINGS YOU'LL LOVE

Thermal protection, deep pockets, and made from regenerated ocean waste

SHOP DAPHNE

UNBELIEVABLE COMFY SWEATS

Perfect for Yoga, climbing or just relaxing

SHOP BATABOOM

Our Top Collections

NEW DROP 🔥

3RD ROCK organic cotton bra top - Becky is 5ft 3

3RD ROCK Sustainable clothing & activewear - Aaliyah is 5ft 8

LUNA BRA

BRAND NEW 🔥

Salma

Seamless performance leggings

£60.00

BRAND NEW 🔥

Salma

JUST DROPPED! 😍

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

BATABOOM LIGHT

NEW DROP 🤩

UNISEX TEE

Organic cotton tee with sun print

£30.00

NEW DROP 🤩

UNISEX TEE

FRESH IN 🤩

ALICE VEST

Organic cotton sun print vest

£30.00

FRESH IN 🤩

ALICE VEST

NEW IN ❤️

3RD ROCK Clothing 100% organic tee - Aaliyah is 5ft8

UNISEX TEE

Organic cotton tee with horizon logo

£30.00

NEW IN ❤️

UNISEX TEE

NEW DROP ✨

3RD ROCK lightweight white vest - Aaliyah is 5ft8

3RD ROCK lightweight summer organic cotton vest - Aaliyah is 5ft8

ALICE VEST

Organic cotton vest with horizon logo

£30.00

NEW DROP ✨

ALICE VEST

3rd rock sustainable denim jeans - Emma is 5ft 7

MARPLE

🌿 SUSTAINABLE DENIM

JUPITER

Unisex mid rise slim tapered leg

1

£90.00

🌿 SUSTAINABLE DENIM

JUPITER

MARS

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

MERCURY RELAXED FIT

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

1

£90.00

MERCURY RELAXED FIT

RECYCLED 🌿

MOFO

Men's recycled adventure shorts

1

£45.00

RECYCLED 🌿

MOFO

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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

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!

SUSTAINABLY 3RD ROCK

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

Learn more

3RD ROCK Journal

Feb 20, 2025

Salma - our first every seamless leggings!

We've been hard at work designing and creating our first ever seamless leggings - and we're SOOO excited they're here! 😃 But why seamless? What are the advantages? Does it really make a difference? We're here to help answer those questions!

Sustainability tips for 2025

Whether you’re exploring eco-friendly habits for the first time or looking to enhance your green lifestyle, these practical tips will help you live more sustainably this year!

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SEAMLESS COMFORT

THE ULTIMATE COMMUTER TROUSER

WINTER LEGGINGS YOU'LL LOVE

UNBELIEVABLE COMFY SWEATS