The Nike Men's Core Compression Long Sleeve Mock Top 2.0 in carbon grey makes a great base layer in cold conditions. Made from Dri-FIT fabric which will wick sweat away from your skin to keep you dry the top has mesh panels for added breathability whilst the stretch fabric provides a compression fit that supports your muscles and allows for total freedom of movement. With flat seams to prevent chafing and irritation the top has a rib crew neck with interior taping for added comfort as well as a mock neck for added warmth and protection from the elements. - L.M. Features: Nike Men's Core Compression Long Sleeve Mock Top 2.0 Dri-FIT fabric wicks sweat away from your skin to keep you dry Mesh panels for added breathability Stretch fabric provides a compression fit for support and freedom of movement Flat seams prevent chafing Rib crew neck with interior taping for added comfort Mock neck Long sleeves