A wearable shield against the ferocious winds of winter. This is the ultimate long sleeve base layer for challenging weather conditions.Arrowindfabric technology creates a unique flexible protective barrier on the front of the base layerblocking 80 percent of those bombarding air particles that create the wind chill effect, while staying as breathable as a leading warp knit base layer.On the back panel, a super-stretchy wicking fabric ensures you have the freedom to move, and it will quickly transport any sweat build-up away from your skin. You can work up a sweat, safe in the knowledge that you will not also develop a chill.Thanks to Polygiene® fabric treatment you also won't work up a stink! This is the base layer for your long winter rides.Key Features:Wind-resistant fabric to shield from wind chillSupremely soft to offer greatest comfortSeamless construction to eliminate irritationPolygiene® fabric treatment keeps you fresh (biocide: silver chloride)50% Polyamide20% Polypropyl