Skip to main content

Free return under 100 days

Free shipping on £150

Expert Help

Schedule an appointment

+33 1 84 67 14 24

Login

My account

Merino Wool Clothing
Merino Wool Base Layers
Merino wool Thermal Tights & Leggings

Merino wool Thermal Tights & Leggings

(322)

Sort by

322 Results

Filter

Boxers & Panties

Merino wool Thermal Tights

Men

Kids

Women

adidas

Castelli

Craft

Dale of Norway

Devold

Fjällräven

Helly Hansen

Houdini Sportswear

icebreaker

Kari Traa

Karpos

La Sportiva

Maap

Mammut

Millet

Mons Royale

Odlo

Ortovox

Outdoor Research

Rab

Reima

Scott

Smartwool

Soar Running

X-Bionic

£25 - £50

£50 - £75

£75 - £100

£100 - £125

£125 - £150

Hiking

Climbing

Trail running

Skiing

Ski Touring

Snowshoeing

0% - 10%

10% - 20%

20% - 30%

30% - 40%

40% - 50%

+ 50%

T-shirt

Débardeur

Tights

Base layer

Thermal jersey

Children's outfit

Re-Source

ZQ Merino

Origine Européenne Garantie

Bluesign™

Recycled

Ecomaterial

Yes

No

No

Sort by

Wool70 Tech Longsleeve M - Base layer - Men's

La SportivaWool70 Tech Longsleeve M - Base layer - Men's

Deep Winter Base Layer - Base layer - Men's

MaapDeep Winter Base Layer - Base layer - Men's

Classic Thermal Merino Base Layer 1/4 Zip - Merino Wool Jersey - Men's

SmartwoolClassic Thermal Merino Base Layer 1/4 Zip - Merino Wool Jersey - Men's

Classic Thermal Merino Base Layer 1/4 Zip - Merino Wool Jersey - Men's

SmartwoolClassic Thermal Merino Base Layer 1/4 Zip - Merino Wool Jersey - Men's

Intraknit Thermal Merino Base Layer 1/4 Zip - Merino Wool Jersey - Men's

SmartwoolIntraknit Thermal Merino Base Layer 1/4 Zip - Merino Wool Jersey - Men's

Kids' Classic Thermal Merino Base Layer Crew - Merino Wool Jersey - Kid's

SmartwoolKids' Classic Thermal Merino Base Layer Crew - Merino Wool Jersey - Kid's

Kids' Classic Thermal Merino Base Layer Bottom - Merino wool Thermal Tight - Kid's

SmartwoolKids' Classic Thermal Merino Base Layer Bottom - Merino wool Thermal Tight - Kid's

Merino 250 Baselayer Crew Boxed - Base layer - Men's

SmartwoolMerino 250 Baselayer Crew Boxed - Base layer - Men's

Merino 250 Baselayer Crew Boxed - Base layer - Men's

SmartwoolMerino 250 Baselayer Crew Boxed - Base layer - Men's

Merino 250 Baselayer Crew Boxed - Base layer - Men's

SmartwoolMerino 250 Baselayer Crew Boxed - Base layer - Men's

Classic Thermal Merino Base Layer Bottom - Merino base layer - Men's

SmartwoolClassic Thermal Merino Base Layer Bottom - Merino base layer - Men's

Classic Thermal Merino Base Layer Bottom - Merino base layer - Men's

SmartwoolClassic Thermal Merino Base Layer Bottom - Merino base layer - Men's

Classic Thermal Merino Base Layer 3/4 Bottom - Merino wool Thermal Tight - Men's

SmartwoolClassic Thermal Merino Base Layer 3/4 Bottom - Merino wool Thermal Tight - Men's

Merino 250 Baselayer Crew Boxed - Base layer - Women's

SmartwoolMerino 250 Baselayer Crew Boxed - Base layer - Women's

Classic Thermal Merino Base Layer Crew Plus - Merino Wool Jersey - Women's

SmartwoolClassic Thermal Merino Base Layer Crew Plus - Merino Wool Jersey - Women's

Classic Thermal Merino Base Layer Bottom Plus - Merino wool Thermal Tight - Women's

SmartwoolClassic Thermal Merino Base Layer Bottom Plus - Merino wool Thermal Tight - Women's

Intraknit Thermal Merino Base Layer Bottom - Merino wool Thermal Tight - Women's

SmartwoolIntraknit Thermal Merino Base Layer Bottom - Merino wool Thermal Tight - Women's

Classic All-Season Merino Base Layer Long Sleeve - Merino base layer - Women's

SmartwoolClassic All-Season Merino Base Layer Long Sleeve - Merino base layer - Women's

Classic All-Season Merino Base Layer Long Sleeve - Merino base layer - Women's

SmartwoolClassic All-Season Merino Base Layer Long Sleeve - Merino base layer - Women's

Classic All-Season Merino Base Layer Long Sleeve - Merino base layer - Men's

SmartwoolClassic All-Season Merino Base Layer Long Sleeve - Merino base layer - Men's

Merino 250 Baselayer Bottom Boxed - Base layer - Women's

SmartwoolMerino 250 Baselayer Bottom Boxed - Base layer - Women's

Intraknit Thermal Merino Base Layer Crew - Merino Wool Jersey - Women's

SmartwoolIntraknit Thermal Merino Base Layer Crew - Merino Wool Jersey - Women's

1
...
4
5
6

Our top brands

Patagonia Ortovox Rab La Sortiva Lowa Altra Millet Moon Boot Helly Hansen Barbour Fjällräven Columbia Scarpa Vaude Mammut Julbo New Balance Hanwag Birkenstock Petzl

Our top trending categories

Women's Down jackets Women's Parkas Women's Fleece jackets Men's Down jackets Men's Parkas Men's Fleece jackets Tents Sleeping pads Headlamps Sleeping bags Stoves Hiking backpacks Ice axes Hiking shoes & boots Trail running shoes Running shoes Climbing shoes Kids' Hiking shoes & boots Cycling helmets Kids' carriers Kids' Clothing Kids' Fleece jackets Aigle Kids' Rain shoes Patagonia Fleece jackets Pyrenex Down jackets Helly Hansen Jackets Columbia Fleece jackets Black Diamond Headlamps Meindl Shoes Dakine Backpacks Assos Cycling shorts Giro Helmets Rab Down jackets Dog Harnesses Dog Leads & Leashes Ortlieb Panniers Altra Shoes Buff Neckwear Abus Cycling helmets Patagonia Down Jackets

Free shipping on £150Free return under 100 daysCarbon neutral

Our mission

At Hardloop, we believe that nature and being on the move should be at the very heart of our lives. Whether you're a first-timer or a top athlete, since 2015 we've been sharing with you our love of good gear and our passion for the steep trails we love to run around on.

Read more +

Customer Service

All help topics
Track my order
Return & refund
Size Charts & Fit Guide

Hardloop

Who are we?
HardGuides

Our commitments

Our Footprint
Second hand
HardGreen selection

Logistics partner

100% secured payment system

Easy Online Shopping

Free delivery from £150
100 Days refund policy
Customer service free of charge

© Hardloop 2026
Legal Notice
Terms of Use
Privacy Policy & Data Tracking
Data preferences

More adventures

Hardloop International