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3RD ROCK Clothing MARGO Adventure ready trousers - Kendal is 5ft 7" with a 28" waist, 38" hips and wears a size 30/RL Oliver is 6ft 2" with a 34" waist, 40" hips and wears a 34/LL
MARGO
MARGO Adventure Trousers | Organic Cotton Outdoor Trousers | 3RD ROCK Clothing - Oliver is 6ft 2" with a 34" waist, 40" hips and wears a 34/LL M M
3RD ROCK Margo Trousers Ebony - Kendal is 5ft 7" with a 28" waist, 38" hips and wears a size 30/RL. F
MARGO Adventure Trousers | Organic Cotton Outdoor Trousers | 3RD ROCK Clothing - Kendal is 5ft 7" with a 28" waist, 38" hips and wears a size 30/RL. F
MARGO Adventure Trousers | Organic Cotton Outdoor Trousers | 3RD ROCK Clothing. F
MARGO
MARGO Adventure Trousers | Organic Cotton Outdoor Trousers | 3RD ROCK Clothing - Oliver is 6ft 2" with a 34" waist, 40" hips and wears a 34/LL M M
MARGO
MARGO Adventure Trousers | Organic Cotton Outdoor Trousers | 3RD ROCK Clothing - Kendal is 5ft 7" with a 28" waist, 38" hips and wears a size 30/RL. F
MARGO
MARGO Adventure Trousers | Organic Cotton Outdoor Trousers | 3RD ROCK Clothing - Oliver is 6ft 2" with a 34" waist, 40" hips and wears a 34/LL M M
MARGO
MARGO Adventure Trousers | Organic Cotton Outdoor Trousers | 3RD ROCK Clothing - M
MARGO
MARGO Adventure Trousers | Organic Cotton Outdoor Trousers | 3RD ROCK Clothing - Kendal is 5ft 7" with a 28" waist, 38" hips and wears a size 30/RL F F
3RD ROCK Clothing MARGO Adventure ready trousers - Kendal is 5ft 7" with a 28" waist, 38" hips and wears a size 30/RL Oliver is 6ft 2" with a 34" waist, 40" hips and wears a 34/LL
Model Info
MARGO
Model Info
MARGO Adventure Trousers | Organic Cotton Outdoor Trousers | 3RD ROCK Clothing - Oliver is 6ft 2" with a 34" waist, 40" hips and wears a 34/LL M M
Model Info
3RD ROCK Margo Trousers Ebony - Kendal is 5ft 7" with a 28" waist, 38" hips and wears a size 30/RL. F
Model Info
MARGO Adventure Trousers | Organic Cotton Outdoor Trousers | 3RD ROCK Clothing - Kendal is 5ft 7" with a 28" waist, 38" hips and wears a size 30/RL. F
Model Info
MARGO Adventure Trousers | Organic Cotton Outdoor Trousers | 3RD ROCK Clothing. F
Model Info
MARGO
Model Info
MARGO Adventure Trousers | Organic Cotton Outdoor Trousers | 3RD ROCK Clothing - Oliver is 6ft 2" with a 34" waist, 40" hips and wears a 34/LL M M
Model Info
MARGO
Model Info
MARGO Adventure Trousers | Organic Cotton Outdoor Trousers | 3RD ROCK Clothing - Kendal is 5ft 7" with a 28" waist, 38" hips and wears a size 30/RL. F
Model Info
MARGO
Model Info
MARGO Adventure Trousers | Organic Cotton Outdoor Trousers | 3RD ROCK Clothing - Oliver is 6ft 2" with a 34" waist, 40" hips and wears a 34/LL M M
Model Info
MARGO
Model Info
MARGO Adventure Trousers | Organic Cotton Outdoor Trousers | 3RD ROCK Clothing - M
Model Info
MARGO
Model Info
MARGO Adventure Trousers | Organic Cotton Outdoor Trousers | 3RD ROCK Clothing - Kendal is 5ft 7" with a 28" waist, 38" hips and wears a size 30/RL F F
Model Info

MARGO

Organic Cotton Ready for Anything Trousers

Regular price £85.50 Sale price £90.00
On Sale
❤ UNISEX

Tax included

Colour: Midnight Moss
Size

Select the sizing you need below. Please note, our measurements refer to body measurements, not garment measurements.

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
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
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
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

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
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
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
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

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
Find your size
Leg Length
Black Friday Multi-buy offer
  • Any 3 items = an extra 10% off
  • Any 5 items = an extra 15% off

Complete the look

Techno Chalk

Chalk from regenerated sea waste

 from £7.50

Techno Chalk

Techno Chalk

REACH

Unisex Technical Midlayer
£84.55 £89.00

REACH

REACH

Why we made it

Get ready to seize the day with our Margo High Rise Trousers - a fan favourite that takes on any challenge you throw it's way. These trousers are the key to effortless style and endless adventures 🌄

For the climbers: Margo is like a secret weapon. Our signature 3RD ROCK diamond crotch ensures total freedom of movement, while cinched ankles reveal those elusive footholds. Extra knee darts provide even more space for your climbing prowess.

Loved by adventurers of all genders, Margo has earned its place in our UNISEX collection. It doesn't matter who you are; these trousers are the epitome of versatility and style.

Crafted from organic cotton woven twill with a touch of elastane for flexibility, Margo is as kind to the planet as it is to you. Make a sustainable choice while looking fabulous.

Now available in sizes 22 to 40: because Adventure has no limits! 🌟🌄

Why you'll love it

Embrace elevated comfort with a high-rise fit

Enjoy a flattering, versatile slim cut

Experience freedom of movement with 4-way stretch

Pinched ankles perfect for climbing

Size & Fit

Kendal is 5ft 7" with a 28" waist, 38" hips and wears a size 30/RL

Oliver is 6ft 2" with a 34" waist, 40" hips and wears a 34/LL

Fabric & care

98% Organic Cotton 2% Elastane with 4 way stretch 
Save the climate and wash cold/line dry.
Avoid fabric conditioner and separate colours. 

Shipping & Delivery
UK
  • Royal Mail 48 hours: £3.50
  • Royal Mail 24 hours: £4.50
  • Next Day delivery: £8.50

Free UK Shipping over £80.
EU

Rates start from €3.99 and don't normally exceed €9.99. Weight can also affect the delivery rate charged.

Free EU Shipping over €150. 

Orders under €150 will be sent via IOSS though 3RD ROCK takes no responsibility for any local fees incurred
Rest of world

Rates vary depending on country, parcel weight and method. Shipping rates don't generally exceed £15.99

Free ROW shipping on orders over $200

Sustainably 3RD ROCK

Sustainability

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Manufacturing

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Materials & fibres

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Design & concepts

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3RD ROCK in the wild

OCEAN CO

Purchasing this product prevents helps fund preventing ocean bound plastics from entering the ocean.

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