Heat Holders Mens Cotton Thermal Underwear Long Johns Charcoal XXL 44-46" Waist 53% Polyester 47% Cotton Machine washable Mens genuine Heat Holders Thermal Long Johns by Sockshop Brushed inside for warmth and a tog rating of 0.45 Whether at work, rest or play these Heat Holders Thermal Long Johns will keep you nice and toasty Heat Holders thermal construction holds more warm air close to the skin, keeping you warmer for longer! Sock Snob are an Official Heat holders Outlet - 100% genuine product