Lightweight super-fine merino isn't itchy like old-school wool. It's warm even when wet, and insulates against cold or heat. Machine washable.

This long-sleeved turtleneck is made from super-fine merino wool that is not itchy, is warm even when wet, and is machine-washable without pilling.

These lightweight long johns are made from super-fine merino wool that is not itchy, is warm even when wet, and is machine-washable without pilling.

This long-sleeved crewneck is made from super-fine merino wool that is not itchy, is warm even when wet, and is machine-washable without pilling.

Winter-weight underwear for your whole upper body, including your head. Made from high-performance Polartec® Power Dry®. 60% recycled polyester.

Made from a micro lightweight of our popular super-fine merino, well suited to low or moderately aerobic activities and travel. It's itch-free, warmer than other materials when wet, and machine washable.

Made from a micro lightweight of our popular super-fine merino, well suited to low or moderately aerobic activities and travel. It's itch-free, warmer than other materials when wet, and machine washable.

Our warmest base layer Zip-T is made with high-performance Polartec® Power Dry®. 60% recycled polyester.

This crewneck is made from super-fine merino wool that is not itchy, is warm even when wet, and is machine-washable without pilling.

The versatility of a Zip-T shirt, with the warmth, stretch, breathability, and fast wicking of Power Dry® fabric. Contains 91% recycled content and heavy metal-free yarns.

This long-sleeved silk top makes a great base layer in chilly conditions, or can be worn as a shirt in hot weather.

Made from a micro lightweight of our popular super-fine merino, well suited to low or moderately aerobic activities and travel. It's itch-free, warmer than other materials when wet, and machine washable.

Great as pyjama bottoms or as a base layer in warm conditions, these silk long johns feel great next to the skin.

Winter-weight long johns made from high-performance Polartec® Power Dry®. When coupled with similarily equipped overlayers, the full crotch-zip allows complete relief without undressing. 60% recycled polyester.

This turtleneck provides core warmth in colder conditions. The warm, stretchy, breathable, fabric is now 91% recycled and uses heavy metal-free polyester.

Warm, breathable, and quick to dry, this uncomplicated garment is as easy to pack as is to pull on. Now made with 91% recycled polyester that uses heavy metal-free yarns.

The ease of full-zip access with wonderful stretch, warmth and wicking.The polyester fabric is now 91% recycled and uses heavy metal-free yarns.

A winter-weight base layer for your body core. Made from high-performance Polartec® Power Dry®. 60% recycled polyester.

This ultralight version of Power Dry® fabric manages moisture superbly without insulating excessively. It's now made from 65% recycled polyester. The result: reduced waste, undiminished performance.

A classic cold weather garment in a cutting-edge fabric. The polyester fabric is now 91% recycled and uses heavy metal-free yarns.