["Ample and multi-color thermal underwear: you will receive 3 sets of adult mens fleece lined long thermal underwear sets sufficient for a change of clothes" "Soft and comfy material: mens long thermal underwear is made of 90% polyester and 10% spandex which offers increased breathability great flexibility and good elasticity allowing for a wide range of motion without feeling restricted" Available in 5 sizes: there are 5 different sizes available from small to xx-large allowing for different heights and weights to choose the appropriate size; please carefully check the size chart in the picture before purchasing "Close-fitting design: our mens thermal underwear set fits closely to reduce heat loss and not irritate the skin; in addition the flat seams not only enhance the overall comfort but also help to reduce friction eliminating the risk of chafing or irritation; this makes it ideal for long days spent engaging in physically demanding activities so that you can focus on enjoying your outdoor adventures without any discomfort" Applicable occasions: men fleece lined long thermal underwear are excellent underwear for a variety of occasions during late autumn and winter ideal for hunting camping skiing snowboarding cycling or running]