Men's Baselayers

With its innovative, seamless 3D-knit structure, our Capilene® Air Bottoms offer amazing warmth and comfort range.

A 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.

Our best selling, and warmest, baselayer, just got a little more refined with an improved fit, chafe-free seam construction and panels that offer more comfort with a pack.

A classic, all-around 100% recycled polyester baselayer. The smooth, soft face makes for easy layering.

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

Smartwool's Classic Thermal Merino 3/4 Bottom provide warmth and breathability without getting in the way of your boots.

A T-neck in Brushed Stretch fabric with a soft inner surface, in a range of strong colors.

Smartwool's Men's Intraknit™ Thermal Max Merino Base Layer Bottom uses 100% ZQ-certified Merino wool to help keep you comfortable on every cold-weather outing.

Ultimate warmth. Designed for the coldest days and the biggest adventure.

Smartwool's Men's Intraknit™ Thermal Merino Base Layer 3/4 Bottom are the warm and winter-ready pants you need to perform all season.

This men’s wool crew top will leave you feeling so comfortable, you’ll never want anything else next to your skin.

Meet the Men's Intraknit™ Thermal Max Merino Base Layer 1/4 Zip. This bulk-free, 100% Merino wool thermal layer brings a new dimension to active winter wear.

Not only will this Smartwool Intraknit Thermal Merino Base Layer CB Crew keep you warm on any outdoor adventure but it will also keep you looking stylish with its color block design.

The Men’s Core Midweight ¾ Bottom is designed to work in harmony with ski and snowboard boots.

A classic Staple for all year round no matter the adventure. A merino layer that gives the same climate control for every occasion.

The fleece one-piece ninja suit that you might never take off.

The Speed Half Zip’s design was influenced by ski apparel rocked by the people who helped the sport to explode in places like Aspen and Chamonix in the late '70s and '80s, with a modern Spyder update

This minimalist-style crew is anything but insignificant. It is a lightweight, super-moveable top, perfect for all of your sweatiest cold-weather activities.

A luxurious base layer to keep your lower half comfortable no matter the temperature.

A base layer guaranteed to warm your core.

Perfect for ski and snowboard boots, the Signiture Merino Blend ensures superior breathability and temperature management.

Stay comfy and dry with this lightweight, breathable crew—soft rayon bamboo meets odour-fighting merino wool.