The Mens MTP is our best value base layer with added performance features. This performance fabric is designed to wick moisture away from the body so youre dry, which is the key to staying warm. Crafted of 100% polyester thats fleeced on the inside to trap maximum amounts of heat. Flat jersey face. Perfect for cold weather and low-activity levels. Imported. Sizes: S-5XL. Color: Dark Green. Type: Base Layer Bottoms.