Tops

Meet the better-than-ever Men's Merino 250 Base Layer Crew. Smartwool has updated this 100% Merino wool fan favorite with new colors and a new fit to improve functionality while enhancing aesthetics. Shoulder panels eliminate top shoulder seams, and a flatlock seam construction helps prevent chafing. Add one of their best base layers for cold weather to your winter wardrobe and experience the difference the next time you go skiing, hiking, climbing, or biking.

Made with Smartwool's innovative Intraknit™ technology, this men’s base layer crew is designed with colorblock patterning for a distinctive look. It’s 3D-knit to enhance performance, and it offers mesh zones for better breathability in all the right places. Plus, this crew is built so that it fits as though it’s custom-made just for you. With enhanced durability features such as ribbed elbows, this shirt will last for a long time to come.

Designed comfort next to skin, this breathable long sleeve tee is ideal for climbing and hiking. Perfect use as a baselayer, it has an odour control finish, staying fresher for longer on multi-day hikes. It has a slim fit, soft feel and dropped shoulder seams for comfort when you’re wearing a backpack.

The perfect technical t-shirt for all mountain activities in warm weather. With UPF protection and an odour control finish, the Force tee is ideal for multi-day adventures. It has dropped shoulder seams for comfort with a backpack and is ideal as a baselayer or for covering up on sunny days by the crag.

A staple midlayer for dedicated mountain goers. This midweight fleece jacket is made with 96% recycled Thermic™ G stretch fleece, providing warmth and breathability on hikes, scrambles, and mountaineering adventures.

Ideal for layering up on high energy hiking, climbing, and mountaineering adventures in changeable conditions, this breathable midlayer regulates your temperature and offers superb comfort and mobility.

Ideal for layering up on high energy hiking, climbing, and mountaineering adventures in changeable conditions, this breathable midlayer regulates your temperature and offers superb comfort and mobility.

This warm, 100% recycled polyester 1/4-zip jacket combines a sweater-knit aesthetic with the easy care of Better Sweater fleece. It’s dyed with a low-impact process that significantly reduces the use of dyestuffs, energy and water compared to conventional dyeing methods. Fair Trade Certified™ sewn.

Patagonia's most versatile technical top is built for use on the trail or on the water: It’s quick drying, has stretch for mobility and comfort, plus HeiQ® Pure odor control. Made with 50-100% recycled polyester, Capilene® Cool Daily styles keep you comfortable when you’re working hard in conditions ranging from cool to hot. Fair Trade Certified™ sewn. Regular fit

Patagonia's most versatile technical top is built for use on the trail or on the water: It’s quick drying, has stretch for mobility and comfort, plus HeiQ® Pure odor control. Made with 50-100% recycled polyester, Capilene® Cool Daily styles keep you comfortable when you’re working hard in conditions ranging from cool to hot. Fair Trade Certified™ sewn. Regular fit

Patagonia's most versatile technical top is built for use on the trail or on the water: It’s quick drying, has stretch for mobility and comfort, plus HeiQ® Pure odor control. Made with 50-100% recycled polyester, Capilene® Cool Daily styles keep you comfortable when you’re working hard in conditions ranging from cool to hot. Fair Trade Certified™ sewn. Regular fit

Patagonia's most versatile technical top is built for use on the trail or on the water: It’s quick drying, has stretch for mobility and comfort, plus HeiQ® Pure odor control. Made with 50-100% recycled polyester, Capilene® Cool Daily styles keep you comfortable when you’re working hard in conditions ranging from cool to hot. Fair Trade Certified™ sewn. Regular fit

Patagonia's most versatile technical top is built for use on the trail or on the water: It’s quick drying, has stretch for mobility and comfort, plus HeiQ® Pure odor control. Made with 50-100% recycled polyester, Capilene® Cool Daily styles keep you comfortable when you’re working hard in conditions ranging from cool to hot. Fair Trade Certified™ sewn. Regular fit

A breathable merino technical top, designed to naturally regulate your temperature, control odor and keep you comfortable when you’re working hard in the widest range of conditions. Made from a blend of 65% RWS-certified merino wool and 35% recycled polyester. All of the virgin wool Patagonia sources is certified to the Responsible Wool Standard (RWS) from farm to fiber to help ensure protection both for the animals that supply it and the land they graze. Fair Trade Certified™ sewn. Slim fit

Stretchy, quick-drying and moisture-wicking performance top that will keep you comfortable when you’re working hard. Made using Naia™ Renew, the fabric has an ultrasoft, cotton-like natural feel, giving you a versatile look and all-day performance. Made in a Fair Trade Certified™ factory. Regular fit

A classic, all-around 100% recycled polyester baselayer. 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® Pure odor control keeps things fresh. Fair Trade Certified™ sewn.

Providing everyday warmth and comfort, this lightweight quarter-zip fleece is made of 100% recycled polyester and can be worn as a lightweight jacket or layer. Fair Trade Certified™ sewn. Made with 87% recycled polyester materials. Perfect for Hiking activities or casual wear and work

The R1® Air Zip-Neck is a lightweight, breathable and quick-drying technical fleece for high-exertion activities in cold conditions. Fabric is made with 100% recycled polyester and is structured for comfort during movement. Fair Trade Certified™ sewn. Perfect for activities including hiking or casual wear and work.

The R1® Air Zip-Neck is a lightweight, breathable and quick-drying technical fleece for high-exertion activities in cold conditions. Fabric is made with 100% recycled polyester and is structured for comfort during movement. Fair Trade Certified™ sewn. Perfect for activities including hiking or casual wear and work.

Your favorite ultralight, breathable, odor-blocking hoodie is now better than ever. Get trusted ultralight performance, now with new upgrades to enhance comfort, movement, fit, and feel. Meet the new Echo Hoodie; sporting all of the essentials that make this piece so beloved, with upgrades that continue to perform as a single summer layer and base winter layer. Better stretch and an improved fit in sizes up to XXXL let the garment move with you, a more durable and softer hand feel increase comfort and longevity, and eco-friendly mesh fabric featuring AirVent™ moisture management keeps you dry and sweat-free. Get more without the weight when you try the new Echo Hoodie.

Your favorite ultralight, breathable, odor-blocking tee is better than ever. Get trusted ultralight performance, now with new upgrades to enhance comfort, movement, fit, and feel. The new Echo L/S Tee sports all of the essentials that make this piece so beloved, with upgrades that continue to perform as a single summer layer and base winter layer. Better stretch and an improved fit let the garment move with you, a more durable and softer hand feel increase comfort and longevity, and eco-friendly mesh fabric featuring AirVent™ moisture management keeps you dry and sweat-free. Get more without the weight when you try the new Echo L/S Tee.

This t-shirt sports all of the essentials you already love about the Echo Collection, with upgrades that make this the best tee for extreme heat and layering spring through fall. Better stretch and an improved fit let the garment move with you, a more durable and softer hand feel increase comfort and longevity, and eco-friendly mesh fabric featuring AirVent™ moisture management keeps you dry and sweat-free. Get more without the weight when you try the new Echo T-Shirt.

The versatile, go-anywhere shirt made from breathable 100% merino wool jersey, the 200 Oasis Long Sleeve Crewe is Icebreaker's best-selling base layer top.

A versatile 100% merino wool base layer top with a classic zip-neck design, the 200 Oasis Long Sleeve Half Zip combines casual comfort with technical performance.

A midweight merino base layer top designed to help regulate temperature during high-intensity activity, the 200 ZoneKnit™ Long Sleeve Crewe features 100% pure and natural merino wool.

A heavyweight merino base layer top designed to help regulate temperature during high-intensity activity, the 260 ZoneKnit™ Long Sleeve Crewe features 100% pure and natural merino wool.

A classic, all-purpose base layer T-shirt made with soft and breathable 100% merino wool fabric, the 175 Everyday Long Sleeve Crewe is as versatile as it is comfortable.

Our versatile, go-anywhere shirt made from breathable 100% merino wool jersey, the 200 Oasis Long Sleeve Crewe is our best-selling base layer top.

The Rho Heavyweights – Arc'Teryx's warmest base layer tops – are made for cold days and mixed output. On the move, the Polartec® Power Stretch® Pro stretches for outstanding freedom of movement. During rest phases – or when it gets really cold – the fleece’s soft brushed interior traps heat to keep you warm. The fleece’s durable nylon outer has a smooth face for comfort under layers, the tall collar extends warmth, and the deep front zipper aids heat dump and makes on-and-off easier. The Rho Heavyweight Zip Neck was previously the Rho AR Zip Neck.

Light, comfortable trim-fit base layer for mixed output in cool temperatures. The base layer crew – the foundation of your system. Made for mixed output activities on cool and cold days, the Rho LT adds warmth, is made with wicking fibres, and is super soft next to the skin. Its Torrent™ microfleece fabric is brushed for thermal performance and comfort, and a Polygiene® treatment provides odour control. The trim fit and crew neckline layer easily, and articulated patterning gives you freedom of movement. Weight 230g / 8.1 oz Fit Fitted