Baselayer - Long Sleeves

An ultralight long-sleeve base layer that prioritises breathability, rapid drying and minimal weight. Montane says:  The Dart Nano T-shirt enhances performance through rapid moisture wicking for...

An ultralight base layer with plenty of use beyond the trail. Patagonia says:  Our lightest and fastest drying baselayer for minimalist warmth management in cool conditions. It wicks and releases...

Breathable, featherlight, and built for movement in the height of summer. Montbell says: Made of the lightest knit t-shirt fabric in Montbell's lineup and designed for intense workouts, high-output...

Built for fast movement, with minimal warmth and very little bulk. Patagonia says:  Our lightest and fastest drying baselayer for minimalist warmth management in cool conditions. It wicks and...

The Outdoor Research Echo Hoodie is an ultralight, multi-season staple, perfect for everything from summer hikes to winter layering. Outdoor Research says:  The Echo Hoodie is built from...

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...

Lightweight long-sleeved coverage for warm conditions and high-output days. Rab says:  Bringing a light, airy feel to your fast hikes and mountain runs, this long sleeve tech tee dries fast and keeps...

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...

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...

We're working out what we think - we'll add our view here!  Mountain Equipment says:  High-performance warmth and breathability in a fast-drying baselayer - wear it alone or layer with other Switch...

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...

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...

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...

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...

Fast drying with reliable all-day comfort Patagonia says:  An all-around tech tee made to wick moisture and stretch as you move, with silky fabric that feels cool even when the air is hot. With HeiQ®...

A smooth, fast-drying technical shirt for warm-weather walking and high-output days. Patagonia says:  Our most versatile technical top is designed for use on the trail or on the water: It’s quick...

UOG TOP PICK - L/S Capilene Cool Merino Shirt This is such a nice, next-to-skin base layer that doesn’t irritate you no matter how hard you exert yourself, one of our top picks! Patagonia says: 

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...

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...

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...

UOG TOP PICK – For Lightweight Performance on Hot, Long Days: With a breathable Merino-TENCEL blend, fast drying time, and reliable odour resistance, the Smartwool Active Ultralite Long Sleeve Tee is...

A midweight long-sleeve Zip-T for all mountain use Mountain Equipment says:  Whether worn alone in mild weather or as part of a technical layering system in the cooler months, the Ignis LS Zip-T can...

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...

A midweight long-sleeve Zip-T for all mountain use Mountain Equipment says:  Whether worn alone in mild weather or as part of a technical layering system in the cooler months, the Ignis LS Zip-T can...

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...

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...

A lightweight technical baselayer with good temperature control built in. Berghaus says:  Lightweight baselayer that delivers the right balance of insulation and breathability while you move. The...

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,...

This technical tee has been designed to be an all-rounder with the addition of the half length zip. The soft, comfortable feel is backed up with high wicking, breathable qualities to give you a...

Lightweight, comfortable and easy to wear, the Patagonia L/S Capilene Cool Trail Shirt combines everyday softness with practical moisture management. A top pick for hiking, travel and active use in...

UOG TOP PICK: Lightweight, comfortable and easy to wear, the Patagonia L/S Capilene Cool Trail Shirt combines everyday softness with practical moisture management. A top pick for hiking, travel and...

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...

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...

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...

A dependable cool-weather base layer that balances warmth, breathability and comfort. Patagonia says:  Our most versatile baselayer wicks sweat and provides balanced warmth in a wide range of winter...

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...

The OMM Bearing Tee LS is a long sleeved, full coverage technical baselayer that is high wicking with UV protection. Great for training and every day use due to the high stretch and comfort. OMM...

The Mammut Tree Wool FL Longsleeve blends merino wool and Lyocell for comfort, warmth, and breathability. It's lightweight at 176 grams (medium), dries faster than traditional wool, and has...

A well-tuned long-sleeve layer that performs in heat without feeling heavy or overbuilt. Turbat says:  The updated series of Hike thermal T-shirts with the lighter and more elastic material, provide...

UOG TOP PICK— OMM's Core+ Hoodie is a superlight base/midlayer using Primaloft ACTIVE 125g to reduce weight to a third that of conventional fleece products. A Top Pick OMM says A new concept in...

UOG TOP PICK:  Lightweight, versatile, and naturally odour-resistant, the Montane Malli Long Sleeve Zip T-Shirt blends Merino comfort with synthetic durability — a top choice for adaptable mountain...

A dependable cool-weather base layer with added ventilation for harder efforts. Patagonia says:  Our most versatile baselayer wicks sweat and provides balanced warmth in a wide range of winter...

A warm, breathable base layer for cold-weather activity. Patagonia says:  A microfleece baselayer for low-bulk, highly breathable warmth in cold conditions. The interior grid works with your other...

The Mountain Equipment Redline LS Tee offers lightweight durability, moisture-wicking, and quick-drying capabilities that are ideal for layering. Mountain Equipment says:  This comfortable long...

Montbell's Merino Wool Plus Light Tee combines merino wool and polyester for excellent thermal regulation and moisture management. It's odor-resistant, quick-drying, and comfortable, with flat seams...

UOG TOP PICK: Soft, breathable and naturally odour-resistant, the Fjallraven Abisko Wool Hoodie is a versatile merino-blend layer for warm days, cool starts and multi-day hikes. Fjallraven...

A warm, stretchy long-sleeve base layer with a soft brushed inner for colder days. Montane says:  Fast-drying merino wool blend long sleeve t-shirt. The Alhena Long Sleeve T-shirt is designed for...

A versatile lightweight men's merino wool baselayer t-shirt for year-round layering performance, the 200 Oasis Long Sleeve Crewe is a go-to men’s top for any day of the year. Icebreaker says Our...

A warm, breathable base layer with plenty of ventilation for cold-weather activity. Patagonia says:  A microfleece baselayer for low-bulk, highly breathable warmth in cold conditions. The interior...

UOG TOP PICK - Dart XT Zip Neck A warm, well-fitting and incredibly soft and highly mobile baselayer for winter trail running and cooler weather hiking. It's one of our favourite winter baselayers...

Quick-drying, breathable, and sustainably made, the Cerrig LS Zip T is a reliable base layer for adventurers tackling cold-weather challenges. Mountain Equipment says:  A winter-weight technical tee...

A comfortable merino layer that earns its place on longer trips. Inov8 says:  Hit the trails in the MERINO HIKING HOODIE HZ, the perfect mid-layer for colder weather and transitional seasons. Made...

This lightweight, odour-resistant, and versatile base layer is a reliable choice for outdoor enthusiasts who face a variety of conditions. Icebreaker says:  The 200 Oasis base layer range is the...

UOG TOP PICK: Top Pick for Versatility: The Black Diamond Alpenglow Pro Hoody combines exceptional sun protection, durable weather resistance, and thoughtful features, making it an essential,...

UOG TOP PICK:   Soft, durable, and naturally breathable, the Montane Malli Long Sleeve T-Shirt combines Merino comfort with synthetic strength — a top choice for mountain layering and multi-day wear...