Heat control mens fleece short sleeve t shirt get cosy in this heat control mens fleece short sleeve t shirt crafted to keep the body naturally warm in an extra thick fleece fabric stopping heat loss by holding it close to the skin this thermal top has a tog rating of 065 and is still super lightweight mens thermal t shirt short sleeves extra thick fleece traps heat and holds it close to the skin tog rating of 065 lightweight 100 polyester machine washable