Bauer Youth Long Sleeve NeckProtectDuPont Kevlar brand fibers at neck and clavicle area for cut resistant protection BNQ and CE certified neck laceration protection HeiQ Fresh technology prevents odor causing bacteria so you can wear more and wash less HeiQ Smart Temp technology helps regulate body temperature Easy close adjustable collar for customized fit and comfort Underarm gussets and shifted seams maximize mobility Flatlock seams reduce chafing Stay put thumb loops keep sleeves