Soft knit fabric with engineered mesh ventilation, mapped to the places you need it most|Nearly sew-free construction to eliminate chafing|4-way stretch construction moves better in every direction|Material wicks sweat & dries really fast|360° reflective details for greater visibility on low-light runs - Style #: 1361356|51% Polyester/49% Nylon|Imported - Machine wash cold with like colors|Do not bleach|Tumble dry low|Do not iron|Do not use softeners|Do not dry clean