Castelli Flanders Long Sleeve Base Layer Men's Size XS Color White

Multidenier 100% polyester 3D structure rib knit main body for mechanical wicking and exceptional fit Perforated 100% polyester mesh under arms for additional cooling Multidenier 100% polyester 4 way stretch sleeves for great wicking and fit 4 needle flat lock stitching lies flat for total comfort Mock turtle neck on long sleeve model, crew neck on short sleeve version Flat finish bottom Longer back stays tucked in Temperature Rating: 2 18 C 35 64 F Temperature Weight: 150g Size XS Color White