Hot Chillys Men's Pepper Skins Crewneck, Black -  X-Large polyester Knitted with 100% micro denier polyester yarns seasoned to transport moisture and reduce odor retension. Rugged 8 oz. jersey construction is lightly sanded for added warmth and exceptional feel. Midweight base layer breathes easily while providing exceptional moisture management for all cool weather activities. Quality five thread flat seam construction for superior seam strength. Brushed waist band for softness next to your skin.