New Cascade S OSFM Adult Royal White Black Fits 21.5" 24" Meets NOCSAE Standard One Size:Royal White Black PREVENTS and helps RECOVER from 17.5:Green White PREVENTS and helps RECOVER from common ankle sprains SUPPORTIVE “U” shape FLEXIBLE steel side stays provides stability BREATHABLE two layer polyester vinyl mesh and liner VENTILATED tongue breathes with you Fits left or right This ankle brace provides maximum support which may cause it to not fit in some shoes NOTE: If the measurements are close to the maximum size range 100% Polyester Imported Mesh lining for greater breathability Material wicks sweat & dries really fast Encased elastic waistband with an internal drawcord Mesh hand pockets This helmet sits slightly higher and allows a much better up and down field of vision 5" 24" (546mm to 609mm)e Meets NOCSAE Standard