Baselayer

A breathable technical tee that handles warm-weather activity without fuss. Berghaus says:  Meet the ideal technical tee for comfort when activity levels and temperatures are high. Polartec® Delta works hard next to your skin – wicking…

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…

UOG TOP PICK: Exceptionally light, breathable and comfortable in hot conditions, the Sambob Basin Sun Hoodie is a standout layer for summer backpacking and high-mileage walking. A top pick for staying cool on long days outdoors. Sambob says:  Th…

A reliable sun layer that offers a good mix of breathability and coverage. Fjallraven says:  Light sweater in quick-drying jersey knit. Perfect for trekking in warm climates. Produced without PFAS. Light and comfortable sweater for outdoor life …

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

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.…

A simple but efficient pair of long johns that balance warmth, breathability and comfort for winter layering. Fjallraven says:  Light, soft and warm long johns made from 100% traceable merino wool. Produced without PFAS. Stay in tune with nature…

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…

Lightweight Comfort for Long Days in the Sun Outdoor Research says:  The Astroman Full Zip Sun Hoodie is built for year-round versatility, offering lightweight protection and performance for climbing, hiking, and everyday movement under the sun.…

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…

Warm, breathable, and packed with practical features, this baselayer is a top choice for cold-weather adventures. Patagonia says:  A breathable, lofted baselayer to keep you warm in cold conditions. Polartec® Power Grid® fabric with...

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…

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

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…

Lightweight warmth and flexibility for cold-weather pursuits. Rab says:  Made with exceptionally warm, fast-drying Thermic™ Stretch Pro fabric, these lightweight fleece tights offer a boost of warmth and comfort as a baselayer in cold...

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.…

We're working out what we think - we'll add our view here!  Mammut says:  Stay cool and dry on full sun mountain days with this light, breathable long-sleeved top. 100% recycled polyester provides UPF 50+ sun protection so the only burn...

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.…

Lightweight hooded long-sleeved sweater in a functional merino wool and polyester blend. Produced without PFAS. Fjallraven says:  Lightweight hoodie in a soft jersey knit made from ZQ merino wool and polyester. Abisko Wool Hoodie for men is the.…

UOG TOP PICK - For All-Day Sun Treks: Blending the coverage of a sun hoodie with the function of a base layer, the Turbat Maya Hood Trek Shirt delivers breathable comfort, smart features, and serious sun protection for long, hot days on the move. Tur…

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…

A relaxed sun layer that balances trail comfort with everyday wear. KAVU says:  The Sunday Hoodie is your lightweight sidekick for full-send days. With UPF 30+ protection, quick-dry fabric, and anti-microbial powers, it keeps you cool, dry, and …