Sprints Running Visor Hats & Headwear Donut : Who said running has to be serious? With cool graphics and colorful prints, the Sprints Running Visor adds a splash of personality to every stride! The moisture-wicking, light polyester fabric includes mesh inserts to keep you cool and dry. If you're looking to break away from the boring running wardrobe, slap a Sprints Running Visor on your dome! Adjustable velcro closure 100% polyester Unisex, one size fits most.