. 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: under 65kg ⢠Weight of shoe: 226g ⢠Running frequency: 3 to 6 times a week ⢠Running distance: any distance ⢠Product benefits: cushioned Shoes with energy-returning cushion & an all-terrain outsole. These running shoes combine an energy-returning midsole with an all-terrain outsole for a light ride that knows no bounds. The shoes' women's-specific design features a knit mesh for a superior fit. The boost⢠midsole releases the power from your footstrike to propel you forward. An adaptive arch hugs & supports your foot through each phase of the gait cycle, & a gridlike outsole with high-grip traction flexes & stretches to respond to the unique way your foot hits the ground.boost⢠is our most responsive cushioning ever. Knit upper with engineered zones for adaptive fit & premium natural feel. Welded overlays at quarter panel for support & stability in the midfoot. Removable moulded sockliner. Adaptive arch hugs your foot for a fit that moulds to the shape of your foot as you move.