Heat Holders Mens Thermal Underwear Set When it\'s nippy outside and you\'re feeling chilly, wrap up warm in these mens thermal underwear set which includes a thermal top and long john bottoms for men. If you feel extremely cold during Winter, then this mens thermal set is ideal for you! Heat Holders Thermal construction holds more warm air close to the skin keeping you warmer for longer. This set of thermal underwear is the perfect set for layering under your regular clothes for a smoother and slim fit. The thermal top features a longer length so you can tuck it under your clothes. It also have long sleeves to keep your arms and wrists warm. The round crew neck allows for warmth and hot air to stay close to the skin. The thermal bottoms feature a open keyhole fly for a comfortable and better fit around the waist and hip area. The bottoms part to the set has an elasticated waist band meaning it has an ease of fit. This thermal underwear set has a TOG rating of 0.39 adding that crucial extra layer of warmth. The higher the TOG rating, the better the garment will keep you warm! The technical construction of this underwear set along with its supportive fit, have been designed so that it effortlessly shapes and works with your body?s natural contours providing the best fit possible ? making it hardly noticeable under your clothes! The base layer is made of a lovely soft modal fabric which helps to add that extra bit of warmth and makes it extremely soft for added comfort to the garment. This set is available in colours Charcoal and White.This thermal underwear set is available in sizes Medium - 2XL. Extra Product Details Thermal Underwear Set for Men - Heat Holders Thermal Construction - Base Layer - Longer Length - Long Sleeves - Open Keyhole Fly - Elasticated Waist Band - Round Crew Neck - Smooth and Slim Fitting - 2 Colours Available - Sizes Medium - 2XL