Men's Base Layer Bottoms & Thermals

Go farther in nature with 100% Royal Alpaca Wool Bottom Layers

Men's Outdoor Leggings & Joggers

The perfect wool base layer bottoms provide insulating warmth and lightweight protection for any weather condition. Designed with natural high performance fibers, these men's long underwear base layer will help you climb mountains in high-altitudes or go for a run in the park with comfort. Our sustainable men's wool leggings and joggers are made with 100% Royal Alpaca. Alpaca wool naturally temperature regulates, wicks away sweat from your body, and naturally stretches for a right fit for whatever you're on. Go farther in nature with Arms of Andes men's wool bottoms.