New Other Giro Revel X Bicycle Helmet Head circumference (inch):21.25 24 Wht Gry Royal Camo Red White and Blue Colorway One size:Pink Black Red White and Blue Colorway gives pitchers superior control on the mound and helps fielders locate the ball quicker in the glove and throw with more accuracy Frequency Matched Optic Yellow Leather: Optic Yellow softballs have a specially formulated coating to give maximum brightness and residual tack Compression Controlled Polycore: Polycore softballs do not break down during play as quickly as cork Red stitching Revel MIPS models are available with the Multi Directional Impact Protection System This is one of the best performance values in the Giro line