The all new giant race day short sleeve jersey features transtextura construction with upf 30 sun protection for warmer conditions and a full length auto lock front zipper built using giant39s race fit cut race day offers a high performance aerodynamic outlook three back pockets give handy storage while reflective details to the sides and arms offer improved low light visibilityfeatures fit race fit fabric transtextura upf 30 fastening full zip with auto lock visibility r