Baselayer

A highly insulating, highly breathable boxer brief. OMM says:  Lighweight thermal underwear, constructed from Primaloft ACTIVE 75g to give warmth whilst offer air permeability when active. Our Verdict These are well-fitting boxer briefs; I lik…

UOG TOP PICK - Syncrino Boxers Lightweight Boxers that utilise the incredible properties of Merino wool to insulate and regulate your body. The Motiv™ Aero is very comfortable. They breathe well and wick moisture away quickly. one of our top pi…

Lightweight, super-fast drying technical base layer . OMM says:  Performance tee utilising an ultralight 4 way stretch fabric to create a design that makes it feel like you’re running naked. Fast drying perfect for summer conditions. Ou…

Stretchy and slim-fit merino wool men’s boxers made with corespun fabric, the Anatomica Boxers offer the support and comfort you need. Icebreaker says Our classic, go-to boxer brief built with a super-soft, stretchy and highly durable merino w…

The SAXX Multi-Sport Mesh Boxer Brief Fly is perfect for hikers. Its 6" No Ride Up Leg prevents bunching and chafing, BallPark Pouch™ PRO offers support and comfort, and Stop Drop Technology™ keeps things dry after nature calls. SAXX...

UOG TOP PICK: Lightweight, comfortable and exceptionally versatile, the Patagonia Capilene Cool Ultra Shirt is an excellent choice for hiking, travel and everyday active use. A top pick for fast-drying comfort in warm conditions. Patagonia...

How much insulation value can you expect from a garment that weighs about 80grams? We suspect you'll be surprised. Its an excellent addition to anyone's kitlist for those occasions when a bit more insulation is needed. OMM says A new concept in acti…

SAXX Vibe Xtra Boxer Brief Fly: A comfortable and practical choice for hikers. Stop Drop Technology™ addresses post-urination moisture. BallPark Pouch™ enhances comfort and reduces chafing. Breathable, odour-resistant viscose blend, ideal…

Minimal weight for hot, high-output days Rab says:  Designed to dry fast and wick efficiently, this lightweight tee offers maximum comfort and a barely-there feel on mountain runs of any distance. The Sonic Ultra is the ultimate mountain running…

Mammut Aenergy FL T-Shirt combines exceptional lightness, advanced functionality, and sustainability. Strategically placed mesh ventilation zones promote breathability and moisture management. HeiQ Fresh controls odour even during extended use, makin…

A featherweight technical tee for hiking, trekking and running Mountain Equipment says:  This ultra-light, high-performance tee delivers exceptional moisture management to keep you cool and dry during intense activities. Made from 57% recycled..…

UOG TOP PICK: SAXX Kinetic Boxer Long Legs are high-performance underwear for active hikers. Light compression supports muscles, and a 4-way stretch and Three-D Fit provide freedom of movement. SAXX says:  Your body should be the only thing...

Airy comfort for faster-paced hiking Rab says:  Bringing a light, airy feel to your fast hikes and mountain runs, this lightweight tech tee dries fast and keeps you cool. Whether you’re running tough mountain trails, hiking at pace, or hea…

How much insulation value can you expect from a garment that weighs about 90 grams? We suspect you'll be surprised. Its an excellent addition to anyone's kitlist for those occasions when a bit more insulation is needed. OMM says:  A technical..…

Lightweight, breathable, and odour-resistant, this technical t-shirt is a reliable go-to for all-season mountain adventures. Montane says:  Classic, recycled technical t-shirt. The Dart T-Shirt is a classic, all-season, all-mountain technical...

Soft, comfortable, next-to-skin blended fabrics, that do a fantastic job of wicking moisture. It dries fast, whilst naturally regulating your temperature, and keeps you smelling fresh. Patagonia says:  A breathable merino technical top, designed…

Mountain Equipment’s Nava crew is a Synthetic technical base layer that offers a highly breathable and warm layer that is also odour resistant.  Mountain Equipment says: A light and fast drying short sleeve crew for year round mountain run…

A midweight technical tee for all mountain use. Mountain Equipment says:  The Ignis Tee is a close-fitting technical tee for working hard in the mountains for the uphill fights, in-a-day pushes, gruelling miles, and heavy loads. Light and...

UOG TOP PICK: Lightweight, comfortable and exceptionally versatile, the Patagonia Capilene Cool Daily series is an excellent choice for hiking, travel and everyday active use. A top pick for fast-drying comfort in warm conditions. Patagonia...

The Core Hoodie is a minimalist piece designed for active insulation. It adds warmth but is highly breathable and focused on wicking moisture and regulating body temperature when exercising. OMM says A new concept in active insulation, the OMM Core.…

Lightweight Baselayer that utilises the incredible properties of Merino wool to insulate and regulate your body. Rab says:  Lightweight, short sleeve, slim fit baselayer made with Syncrino™ 125 fabric. Benefitting from both warm, wicking..…

UOG TOP PICK: Lightweight, comfortable and exceptionally versatile, the Patagonia Capilene Cool Daily series is an excellent choice for hiking, travel and everyday active use. A top pick for fast-drying comfort in warm conditions. Patagonia...

Designed with exposed conditions in mind Rab says:  Ideal for covering up and keeping cool in hot, sunny weather, this breathable, technical tee is built with UV-protective Dryflo™ Solar fabric to shield you from harmful rays. With a weara…

Lightweight leggings that utilise the incredible properties of Merino wool to insulate and regulate your body.  Rab says:  Warm, breathable, form fitting leggings ideal as a baselayer on cold mountain days. Made with Syncrino™ 125 fab…

UOG TOP PICK: Lightweight, comfortable and exceptionally versatile, the Patagonia Capilene Cool Daily series is an excellent choice for hiking, travel and everyday active use. A top pick for fast-drying comfort in warm conditions. Patagonia...

UOG TOP PICK: Lightweight, comfortable and exceptionally versatile, the Patagonia Capilene Cool Daily series is an excellent choice for hiking, travel and everyday active use. A top pick for fast-drying comfort in warm conditions. Patagonia...

Easy coverage for warm-weather hiking Rab says:  From sun-scorched trails to climbing in the heat, this staple, UV-protective tee is built to keep you cool and shield you from harmful rays. When the sun’s beating down and temperatures are.…

UOG TOP PICK: Lightweight, comfortable and exceptionally versatile, the Patagonia Capilene Cool Trail series is an excellent choice for hiking, travel and everyday active use. A top pick for fast-drying comfort in warm conditions. Patagonia...

Fast-drying performance with better temperature control Rab says:  Lightweight running zip tee that provides rapid drying, fast wicking, and efficient movement. Built with Dryflo™ Air with odour control technology, it's designed for maximu…

Easy coverage for warm-weather hiking Rab says:  From sun-scorched trails to climbing in the heat, this staple, UV-protective tee is built to keep you cool and shield you from harmful rays. When the sun’s beating down and temperatures are.…

UOG TOP PICK: Lightweight, comfortable and exceptionally versatile, the Patagonia Capilene Cool Daily Trail shirt is an excellent choice for hiking, travel and everyday active use. A top pick for fast-drying comfort in warm conditions. Patagonia...

Better temperature control for changing conditions Rab says:  Bringing a light, airy feel to your fast hikes and mountain runs, this lightweight zip tee dries fast and keeps you cool. Crafted with Dryflo™ Air with odour control technology,…

UOG TOP PICK: Lightweight, comfortable and exceptionally versatile, the Patagonia Capilene Cool Daily series is an excellent choice for hiking, travel and everyday active use. A top pick for fast-drying comfort in warm conditions. Patagonia...

A well-balanced technical tee that keeps pace in hot, active conditions. Turbat says:  The updated series of Hike T-shirts with the lighter and more elastic material, provide better moisture removal and comfort during movement in the warm season…

A minimalist design for cold-weather active insulation. It provides warmth while being highly breathable and focused on wicking moisture and regulating body temperature during exercise. OMM says:  Superlight full base or midlayer using Primaloft…

Lightweight short sleeve hiking base layer made with 100% Merino wool. Material helps regulate body temperature Inov8 says:  Hike all year round in the MERINO SHORT SLEEVE HIKING T-SHIRT. This highly versatile tee is ideally used as a hiking bas…

UOG TOP PICK:  Light, tough, and highly breathable, the Mammut Eiger Nordwand FL Longsleeve wicks fast, resists odour, and endures pack wear — a top choice for demanding, high-output days in the mountains. Mammut says:  For everything…

Light, breathable and built for steady movement Rab says:  Layer on cool mornings or throw on for a little extra warmth when a tee won't cut it. This lightweight hoody is made with breathable, wicking Dryflo™ Air, designed to keep you...

The OMM Bearing Tee is a technical high wicking baselayer with UV protection. Great for training and every day use due to the high stretch and comfort. OMM says: The Bearing tee uses our coolplus 4 way stretch fabric to create a technical tee that i…

We're working out what we think - we'll add our view here!  Turbat says:  In the continuation of the Hike Lite series, we are adding the bottom part. Elastic and light material that has proven itself in previous seasons in Hike Lite models.…

A staple in Montane's iconic Dart range, this long-sleeved T-shirt continues to deliver reliable performance and comfort for year-round mountain adventures. Montane says:  The Dart Long Sleeve T-Shirt is a classic, all-season, all-mountain techn…

High output, low fuss — a smart update to a staple performance layer. OMM says:  The Bearing Zip Tee uses our Coolplus 4 way stretch fabric to create a technical tee that is high wicking and allows for a free range of movement on the go. O…

Lightweight, long-sleeved top for hiking and outdoor life in warm, sunny climates. Produced without PFCs, made for a lifetime of use. Fjallraven says:  Lightweight, functional long-sleeved top for men that is suitable for outdoor life and...

This latest addition to the Dart range continues its reputation for quality and functionality, making it a dependable choice for outdoor enthusiasts. Montane says:  The Dart Zip Neck is a classic, all-season, all-mountain technical baselayer. Th…

One of the most comfortable and versatile tees we've come across, the Headpoint is a classic, comfy, and super stretchy tee. Designed for strenuous activities but just as good for relaxing in. Mountain Equipment says:  A light, stretchy and fast…

This technical tee has been designed to be an all-rounder. The soft, comfortable feel is backed up with high wicking, breathable qualities to give you a versatile top. Berghaus says Simple, classic t-shirts are always the best. Comfortable and elega…

UOG TOP PICK: Lightweight, comfortable and exceptionally versatile, the Patagonia Capilene Cool Daily series is an excellent choice for hiking, travel and everyday active use. A top pick for fast-drying comfort in warm conditions. Patagonia...

Rab Crimp T-shirt offers superior moisture-wicking and fast-drying properties, ensuring comfort and freshness. Its relaxed fit and round neck make it versatile for hiking, camping, or lounging. Rab says:  A casual, super soft tee made with...

A light, stretchy and versatile tee for long days in the mountains and daily wear. Mountain Equipment says:  With a soft feel and TENCEL™ cellulose fibres this is a tee that balances all day comfort with fast drying technical performance …

UOG TOP PICK: Lightweight, comfortable and exceptionally versatile, the Patagonia Capilene Cool Sun Shirt is an excellent choice for hiking, travel and everyday active use. A top pick for fast-drying comfort in warm conditions. Patagonia says:  …

Long sleeved sun coverage for warm-weather hiking Rab says:  Ideal for covering up and keeping cool in hot, sunny weather, this breathable long-sleeved tee is made with UV-protective Dryflo™ Solar fabric to shield you from harmful rays. Wi…

Soft feel with a more relaxed trail focus Rab says:  Fast-wicking, comfortable, and super soft, this casual TENCEL™ blend tee will take you from all-mountain action to post-adventure downtime. Our Verdict The Crimp Logo Tee feels noticeab…

Natural comfort that suits slower-paced mountain days Inov8 says:  Hike all year round in the MERINO LONG SLEEVE HIKING T-SHIRT. This highly versatile top is ideally used as a hiking base layer, where it can be worn on its own, or under other...

Short-sleeved top in a lightweight and breathable Lyocell/polyester blend. Produced without PFAS. Fjallraven says:  Short-sleeved top made from a soft and comfortable Lyocell/polyester blend. The fabric combines the softness of Lyocell with the.…

These comfortable winter long johns are brilliant for a winter base layer or as part of your sleep system. Icebreaker says:  The benchmark against which all others are judged, the 200 Oasis Legless are icebreaker's ultra-comfortable base layer.…

The Alpenglow is a technical fitting base layer that offers comfortable fit and protection from overheating with the BD.cool technology, making it perfect for climbing and other high activity sports.  Black Diamond says:  A technical fit pa…

A more protective take on the lightweight baselayer Rab says:  From sun-scorched trails to climbing in the heat, this staple, UV-protective zip tee is built to keep you cool and shield you from harmful rays. When the sun’s beating down and…

A soft, quick-drying layer that stays fresh and moves well through long, sweaty days in the hills. Montane says:  Experience the perfect blend of comfort and performance with the Montane men's Alhena Mountain logo t-shirt.Created using...

Long-sleeved top with a half-zippered opening, designed for hiking and travelling in warm conditions. Produced without PFAS. Fjallraven says:  Long-sleeved top with a half-zippered opening that is lightweight and functional for general outdoor l…

The perfect blend of natural and synthetic fibres that includes all of the positives and non of the negatives from each.  Fjällräven says: Lightweight, long-sleeved top in a soft jersey knit made from merino wool and recycled polyeste…