Back to Top

Men's Long Underwear Bottoms
Stay warm with men's long underwear bottoms that provide you ultimate comfort in cold temperatures. Columbia offers a great selection of men's base layer pants that fit perfectly under winter layers to ensure you keep warm on your outdoor adventures. Don't let chilly weather keep you from staying active and exploring what nature has to offer. Our men's base layer bottoms come in many sizes so you can get the most comfortable fit. High-performance features like 4-way stretch and thermal-reflective technology provide lightweight warmth that stays close to your body without restricting movement. Omni-wick material helps keep you dry, while antimicrobial treatment and flatlocked seams help prevent irritation. Our men's base layer shorts and pants are designed to keep up with you, and they'll keep you prepared for anything that comes your way. Choose from a variety of colors and prints. No matter what outdoor adventures you have planned, turn to these to keep you going longer.