Designed for the triple jump these spikes have a flared adiprene heel to cushion landings and improve momentum plus coolever mesh lining and a feather light build for comfort features enhanced flared adiprene heel to help cushion your landings and improve momentum coolever lining uses clover shaped yarn to manage heat and sweat welded composite membrane upper with suede inner frame and sprint web overlay foam insole for comfort forefoot spike plate with replacable spikes blue