Baselayer - Long Sleeves

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…

Montbell's Merino Wool Plus Light Tee combines merino wool and polyester for excellent thermal regulation and moisture management. It's odor-resistant, quick-drying, and comfortable, with flat seams and spiral cuffs. Montbell says:  Delivers wa…

The Lifa Merino Midweight Crew is a thick and warm top that is ideal for cold conditions. It still works really well combining Merino and Helly Hansen's LIFA technology to produce a warm and breathable base layer. Helly Hansen says A unique 2-in-1 b…

This incredibly soft and warm base layer is only appropriate in very cold conditions. This is a close-fitting base layer that hugs and conforms to your body. Helly Hansen says LIFA® MERINO MIDWEIGHT is perfect for any type of activity in cold...