Baselayer - Long Sleeves

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 days on the trail, or activities during the hottest.…

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.…

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 - Dart Lite Long Sleeve T-Shirt Dart Lite Long Sleeve T-Shirt is a fully recycled Synthetic technical T-Shirt/base layer that offers a highly breathable and odour-resistant layer. It's one of our favourite baselayers and one of our top..…

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…

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…

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:  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…

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…

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...

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...

UOG TOP PICK - L/S Capilene Cool Merino Graphic Shirt Soft, comfortable, next-to-skin blended fabrics, do a fantastic job of wicking moisture. It dries fast, whilst naturally regulating your temperature, and keeps you smelling fresh, one of our top..…

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® Mint odor control and 50-100% recycled...

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® Mint odor control and 50-100% recycled...

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...

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 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:  …

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 be used year-round as a highly wicking...

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…

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...

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 versatile top. Berghaus says Simple, classic t-shirts a…

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…

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…

Patagonia's warmest, most breathable Capilene baselayer is made with low-bulk Polartec Power Grid fabric with Polygiene permanent odor control and is Fair Trade Certified for sewing. Patagonia says:  When temperatures drop, grab this lightweight…

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 says: The long sleeve Bearing tee uses our 4 way coolp…

The classic, go-anywhere all-around baselayer, made with 100% recycled content. The smooth, soft face makes for easy layering; hollow-core yarns and a diamond-grid back trap warm air, wick moisture and dry fast. HeiQ Fresh durable odor control keeps.…

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 temperature regulation and odor-neutralizing properties. Mam…

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 better moisture removal and comfort during...

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 active insulation, the OMM Core Range is made enti…

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 layering. Montane says:  Utilising N…

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 sleeved tee can be worn alone on south facing rock.…

Our classic, go-anywhere all-around baselayer, made with 100% recycled content. The smooth, soft face makes for easy layering; hollow-core yarns and a diamond-grid back trap warm air, wick moisture and dry fast. HeiQ Fresh durable odor control keeps.…

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 says:  Lightweight hoodie in a soft jersey knit made fro…

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 100% merino, 200gm Everyday Bodyfit™ tops.…

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 and one of our top picks! Montane says:  High...

A merino long sleeve that balances insulation with breathability for winter layering. Fjallraven says:  Light, soft and warm long-sleeved base-layer top made from 100% traceable merino wool. Produced without PFAS. Stay in tune with nature in thi…

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 that efficiently wicks away moisture and dries…

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 from ethically-produced mulesing-free Merino woo…

UOG TOP PICK – For Reliable Warm-Weather Coverage: Light, breathable, and cut for comfort, the Turbat Hike Lite LS Hood T-Shirt delivers dependable sun protection and moisture management for active days under a hot sky. Turbat says:  Turba…

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 benchmark against which all others are judged. The…

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. Montane says:  Utilising Nylo…