A wool insole also contributes to odor and moisture absorption

This is a customer favorite for all your winter activities

With its superior fleece

Fontanel protection thanks to MET Bimbi Secure Technology

Men's Merino Wool 1 Silk Weight T-Shirt Navy Attribute:Navy A wool insole also contributesWhen you'll be climbing, running, hiking, or traveling for weeks without doing laundry, the Patagonia Men's Merino 1 Silkweight T Shirt will keep you comfortable and stink free. The merino wool in this short sleeve shirt naturally breathes and resists odors from building up over days of wear, and the soft fabric regulates your body temperature if you're too hot or too cold. Polyester was added to this baselayer for durability, dry times, and moisture