55% Wool, 43% Polyamide, 2% Elastane Imported Sport thermals underwear with long sleeves in a regular comfort fit Great combined with FALKE sport shorts, leggings, 3/4 or long sport tights Great shape and color retention; this high zip neck underlayer top can be washed on cold setting on a wool cycle Gender-specific proportions and a seamless finish prevent painful pressure points and allow for unrestricted movement; Special knitting processes ensure a perfect fit without wrinkles or slipping Model number: 33410; Available in US Men's sizes: S, M, L, XL, XXL