Boys' ColdGear? Mock. Lock in rapid moisture transport and maximum core temperature regulation. Two layer brushed fabric delivers enhanced thermal protection and moisture transport. Superior slip-on feel and compression fit complete the ultimate active Base layer. UPF 30+ protects against harmful sun rays. Embroidered logo on neck. 65% 6.5 oz Nylon / 21% Polyester / 14% Elastane. Imported.Fit: Compression Sizes: Youth Small,Youth Medium,Youth Large,YXL, Colors: Black,Dark Orange,Forest Green,Maroon,Medium Grey Heather,Midnight Navy,Purple,Red,Royal,Steeltown Gold,White,