Peach Couture Mens 2 Pc 100% Cotton Jersey Knit Warm Thermal Underwear Set Long New By Peach Couture (A registered trademark company) 8 Piece Knit Thermal Set Includes: 1 Knit 100% Cotton top and 1 Knit 100% Cotton pant bottom. The thin and light knit weave will fit comfortably underneath your clothing for extra warmth this fall and winter. Designed to insulate heat throughout the body, youll be surprised how warm you stay in these long thermal underwear. PLEASE NOTE: When looking for Loose fit, please order TWO sizes Larger. Sizes Available: Small, Large, XL, XXL.