For extra warmth try these long sleeve ultra heavy weight thermal tops and bottoms (822), Waffle knit that are an extra heavy weight of 9 ounces with a rib cuffs, Highest quality construction for extremely cold temperatures, Chest Size Small = 34/36 Medium = 38/40 Large = 42/44 Extra Large = 46/48 2XL = 50-52 3XL = 54-56 4XL = 58-60 5XL = 62-64 6XL = 66-68, Waist Size Small = 30/32 Medium = 34/36 Large = 38/40 Extra Large = 42/44 2XL = 46-48 3XL = 50-52 4XL = 54-56 5XL = 58-60 6XL = 62-64, Inseam Fits Height of 5ft 8in to 6ft Tall Shirt and Pant Sizes Fit Height of 6ft in to 6ft 3in, Tall Shirt is 2in longer and Sleeve Length is 1-1/2in Longer, Made in USA, Machine wash and dry recommended by the manufacturer