Product details ⢠Type of sport: running ⢠Flat heel ⢠Fastening: laces Fabric content & care advice ⢠Uppers: 100% synthetic ⢠Sole: 100% rubber Technical information ⢠Type of runner: universal ⢠Weight of runner: any weight ⢠Weight of shoe: 256g ⢠Running frequency: 3 to 6 times a week ⢠Running distance: 3 to 6 times a week ⢠Product benefits: Responsive Mesh upper with rapid lacing system for a ventilated, sock-like fit. Adiwear⢠outsole for exceptional durability. Individual slats replace the standard midsole to store & then return energy & propel you forwards with every footstrike. Individual Springblade⢠slats store & return maximum energy with every stride.