Free shipping on CHF 150

Free return under 100 days

Expert Help

Schedule an appointment

+33 1 84 67 14 24

Login

My account

Merino Wool Clothing
Merino Wool Base Layers

Merino Wool Base Layers

(422)

Sort by

422 Results

Filter

Boxers & Panties

Merino wool Thermal Tights

Beanies & headbands

Hoodies & jumpers

Merino wool dresses

Merino wool pants & trousers

Merino wool vests & gilets

Merino wool tank tops

Merino wool down jackets

Men

Women

Kids

adidas

Castelli

Craft

Dale of Norway

Devold

Endura

Fjällräven

GripGrab

Helly Hansen

Houdini Sportswear

icebreaker

Kari Traa

Karpos

La Sportiva

Mammut

Millet

Mons Royale

Odlo

Ortovox

Outdoor Research

Rab

Reima

Scott

Smartwool

Soar Running

Sportful

Trollkids

CHF 0 - CHF 25

CHF 25 - CHF 50

CHF 50 - CHF 75

CHF 75 - CHF 100

CHF 100 - CHF 125

CHF 125 - CHF 150

Skiing

Ski Touring

Trekking

Climbing

Travel

Mountaineering

0% - 10%

10% - 20%

20% - 30%

30% - 40%

40% - 50%

+ 50%

Bluesign™

Fair Wear Foundation

Recycled

Ortovox Wool Promise (OWP)

Re-Source

PFC-Free

T-shirt

Base layers

Merino shirt

Thermal jersey

Merino Wool Jersey

Top base layer

Yes

No

Yes

No

Sort by

Merino Baselayer Set - Merino base layer - Kid's

-5% Extra - Code Outdoor5

TrollkidsMerino Baselayer Set - Merino base layer - Kid's

VAT and custom duties included

185 Rock'N'Wool Short Sleeve - Merino base layer - Men's

-5% Extra - Code Outdoor5

Ortovox185 Rock'N'Wool Short Sleeve - Merino base layer - Men's

VAT and custom duties included

Siren Hipkini - Women's

-5% Extra - Code Outdoor5

icebreakerSiren Hipkini - Women'sCHF 40,00VAT and custom duties included

Merino 175 Everyday LS Crewe - Merino Wool Jersey - Men's

-5% Extra - Code Outdoor5

icebreakerMerino 175 Everyday LS Crewe - Merino Wool Jersey - Men's

VAT and custom duties included

Boxer Active - Underwear - Men's

-5% Extra - Code Outdoor5

SmartwoolBoxer Active - Underwear - Men's

VAT and custom duties included

Lifa Merino Midweight 1/2 Zip - Base layer - Men's

-5% Extra - Code Outdoor5

Helly HansenLifa Merino Midweight 1/2 Zip - Base layer - Men's

VAT and custom duties included

Rose Half Zip - Merino base layer - Women's

-5% Extra - Code Outdoor5

Kari TraaRose Half Zip - Merino base layer - Women's

VAT and custom duties included

Syncrino Base LS Tee - Base layer - Men's

-5% Extra - Code Outdoor5

RabSyncrino Base LS Tee - Base layer - Men'sCHF 85,00VAT and custom duties included

260 Tech Leggings with Fly - Merino base layer - Men's

-5% Extra - Code Outdoor5

icebreaker260 Tech Leggings with Fly - Merino base layer - Men's

VAT and custom duties included

Siren Hipkini - Women's

-5% Extra - Code Outdoor5

icebreakerSiren Hipkini - Women's

VAT and custom duties included

200 Oasis Long Sleeve Crewe - Merino base layer - Men's

-5% Extra - Code Outdoor5

icebreaker200 Oasis Long Sleeve Crewe - Merino base layer - Men's

VAT and custom duties included

Lifa Merino Midweight Pant - Merino base layer - Men's

-5% Extra - Code Outdoor5

Helly HansenLifa Merino Midweight Pant - Merino base layer - Men's

VAT and custom duties included

Syncrino Leggings - Base layer - Men's

-5% Extra - Code Outdoor5

RabSyncrino Leggings - Base layer - Men'sCHF 65,00VAT and custom duties included

120 Comp Light Hot Pants - Merino Wool Pantie

-5% Extra - Code Outdoor5

Ortovox120 Comp Light Hot Pants - Merino Wool Pantie

VAT and custom duties included

Wool Mesh 190 Shirt - Merino Wool Jersey - Women's

-5% Extra - Code Outdoor5

DevoldWool Mesh 190 Shirt - Merino Wool Jersey - Women's

VAT and custom duties included

Lifa Merino Midweight 1/2 Zip - Base layer - Men's

-5% Extra - Code Outdoor5

Helly HansenLifa Merino Midweight 1/2 Zip - Base layer - Men's

VAT and custom duties included

185 Rock'N'Wool Short Sleeve - Merino Wool Jersey - Women's

-5% Extra - Code Outdoor5

Ortovox185 Rock'N'Wool Short Sleeve - Merino Wool Jersey - Women's

VAT and custom duties included

Breeze Hipster - Underwear - Women's

-5% Extra - Code Outdoor5

DevoldBreeze Hipster - Underwear - Women'sCHF 40,00VAT and custom duties included

200 Oasis LS Crewe - Merino base layer - Kid's

-5% Extra - Code Outdoor5

icebreaker200 Oasis LS Crewe - Merino base layer - Kid's

VAT and custom duties included

Merino 200 Oasis+ Leggings - Merino wool Thermal Tight - Women's

-5% Extra - Code Outdoor5

icebreakerMerino 200 Oasis+ Leggings - Merino wool Thermal Tight - Women's

VAT and custom duties included

185 Rock'N'Wool Short Pants - Merino base layer - Women's

-5% Extra - Code Outdoor5

Ortovox185 Rock'N'Wool Short Pants - Merino base layer - Women's

VAT and custom duties included

185 Rock'N'Wool Short Pants - Merino base layer - Women's

-5% Extra - Code Outdoor5

Ortovox185 Rock'N'Wool Short Pants - Merino base layer - Women's

VAT and custom duties included

Vilma LS - Merino base layer - Women's

-5% Extra - Code Outdoor5

Kari TraaVilma LS - Merino base layer - Women's

VAT and custom duties included

150 Essential Thong - Merino Wool Pantie

-5% Extra - Code Outdoor5

Ortovox150 Essential Thong - Merino Wool Pantie

VAT and custom duties included

Rose High Waist Pant - Merino base layer - Women's

-5% Extra - Code Outdoor5

Kari TraaRose High Waist Pant - Merino base layer - Women's

VAT and custom duties included

200 Oasis Leggings - Merino base layer - Men's

-5% Extra - Code Outdoor5

icebreaker200 Oasis Leggings - Merino base layer - Men's

VAT and custom duties included

Expedition Long Johns - Base layer - Women's

-5% Extra - Code Outdoor5

DevoldExpedition Long Johns - Base layer - Women's

VAT and custom duties included

230 Competition Short Sleeve - Merino base layer - Men's

-5% Extra - Code Outdoor5

Ortovox230 Competition Short Sleeve - Merino base layer - Men's

VAT and custom duties included

Women's Syncrino - Merino Wool Pantie

-5% Extra - Code Outdoor5

RabWomen's Syncrino - Merino Wool Pantie

VAT and custom duties included

200 Oasis Short Sleeve Crewe - Merino shirt - Men's

-5% Extra - Code Outdoor5

icebreaker200 Oasis Short Sleeve Crewe - Merino shirt - Men's

VAT and custom duties included

Boxer Active - Underwear - Men's

-5% Extra - Code Outdoor5

SmartwoolBoxer Active - Underwear - Men's

VAT and custom duties included

Anatomica Briefs - Underwear - Men's

-5% Extra - Code Outdoor5

icebreakerAnatomica Briefs - Underwear - Men's

VAT and custom duties included

120 Comp Light Shorts - Merino Wool Boxer

-5% Extra - Code Outdoor5

Ortovox120 Comp Light Shorts - Merino Wool Boxer

VAT and custom duties included

230 Competition Short Sleeve - Merino base layer - Men's

-5% Extra - Code Outdoor5

Ortovox230 Competition Short Sleeve - Merino base layer - Men's

VAT and custom duties included

-5% Extra - Code Outdoor5

icebreaker125 Cool-Lite Sprite Hipster - Merino Wool Pantie

VAT and custom duties included

-5% Extra - Code Outdoor5

icebreaker125 Cool-Lite Sprite Hipster - Merino Wool Pantie

VAT and custom duties included

Wmns Siren Bikini - Underwear - Women's

-5% Extra - Code Outdoor5

icebreakerWmns Siren Bikini - Underwear - Women's

VAT and custom duties included

150 Essential Top - Merino Wool Jersey - Women's

-5% Extra - Code Outdoor5

Ortovox150 Essential Top - Merino Wool Jersey - Women's

VAT and custom duties included

Siren Bra - Sports bra - Women's

-5% Extra - Code Outdoor5

icebreakerSiren Bra - Sports bra - Women's

VAT and custom duties included

Anna High Waist - Merino base layer - Women's

-5% Extra - Code Outdoor5

Kari TraaAnna High Waist - Merino base layer - Women's

VAT and custom duties included

Lifa Merino Midweight 3/4 Pant - Merino wool Thermal Tight - Women's

-5% Extra - Code Outdoor5

Helly HansenLifa Merino Midweight 3/4 Pant - Merino wool Thermal Tight - Women's

VAT and custom duties included

Merino Baselayer Set - Merino base layer - Kid's

-5% Extra - Code Outdoor5

TrollkidsMerino Baselayer Set - Merino base layer - Kid's

VAT and custom duties included

Rose High Waist Pant - Merino base layer - Women's

-5% Extra - Code Outdoor5

Kari TraaRose High Waist Pant - Merino base layer - Women's

VAT and custom duties included

Duo Active Merino 205 Zip Neck - Merino Wool Jersey - Women's

-5% Extra - Code Outdoor5

DevoldDuo Active Merino 205 Zip Neck - Merino Wool Jersey - Women's

VAT and custom duties included

Expedition - Base layer - Men's

-5% Extra - Code Outdoor5

DevoldExpedition - Base layer - Men's

VAT and custom duties included

120 Comp Light Shorts - Merino Wool Pantie

-5% Extra - Code Outdoor5

Ortovox120 Comp Light Shorts - Merino Wool Pantie

VAT and custom duties included

Breeze - Base layer - Women's

-5% Extra - Code Outdoor5

DevoldBreeze - Base layer - Women's

VAT and custom duties included

150 Essential Trunks - Merino Wool Boxer

-5% Extra - Code Outdoor5

Ortovox150 Essential Trunks - Merino Wool Boxer

VAT and custom duties included

120 Comp Light Hot Pants - Merino Wool Pantie

-5% Extra - Code Outdoor5

Ortovox120 Comp Light Hot Pants - Merino Wool Pantie

VAT and custom duties included

150 Essential Hot Pants - Merino Wool Pantie

-5% Extra - Code Outdoor5

Ortovox150 Essential Hot Pants - Merino Wool Pantie

VAT and custom duties included

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

-5% Extra - Code Outdoor5

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

VAT and custom duties included

Sylvia Boyleg - Merino Wool Pantie

-5% Extra - Code Outdoor5

Mons RoyaleSylvia Boyleg - Merino Wool Pantie

VAT and custom duties included

Duo Active Merino 205 Longs - Merino wool Thermal Tight - Women's

-5% Extra - Code Outdoor5

DevoldDuo Active Merino 205 Longs - Merino wool Thermal Tight - Women's

VAT and custom duties included

Lifa Merino Midweight Pant - Base layer - Women's

-5% Extra - Code Outdoor5

Helly HansenLifa Merino Midweight Pant - Base layer - Women's

VAT and custom duties included

Duo Active Merino 205 Longs - Merino wool Thermal Tight - Men's

-5% Extra - Code Outdoor5

DevoldDuo Active Merino 205 Longs - Merino wool Thermal Tight - Men's

VAT and custom duties included

Duo Active Merino Shirt Jr - Merino Wool Jersey - Kid's

-5% Extra - Code Outdoor5

DevoldDuo Active Merino Shirt Jr - Merino Wool Jersey - Kid's

VAT and custom duties included

Boxer Active - Underwear - Men's

-5% Extra - Code Outdoor5

SmartwoolBoxer Active - Underwear - Men's

VAT and custom duties included

Boxer Active - Underwear - Men's

-5% Extra - Code Outdoor5

SmartwoolBoxer Active - Underwear - Men's

VAT and custom duties included

150 Essential Briefs - Merino Wool Boxer

-5% Extra - Code Outdoor5

Ortovox150 Essential Briefs - Merino Wool Boxer

VAT and custom duties included

Siren Hipkini - Women's

-5% Extra - Code Outdoor5

icebreakerSiren Hipkini - Women's

VAT and custom duties included

1
2
3
4
5
6
...
8

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

Need Help?

To choose your waterproof jacket, your trail shoes or to modify an order, contact our HardGuides!

Write to us!

Keep in touch

Be the first to discover our new products, exclusive sales, adventure ideas & tips, and get CHF 5 off your next order

E-mail adress

Free shipping on CHF 100Free 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

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

Hardloop

Who are we?
HardGuides

Carbon neutral since 2015

Our Footprint
Carbon neutrality
HardGreen selection

Logistics partner

100% secured payment system

Easy Online Shopping

Free delivery from CHF 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