Nike Alpha Strike 3/4 TD BG - Boys' Grade School Bringing explosive speed to athletes all over the field, the mid-cut Nike Alpha Strike 3/4 TD is a lightweight, synthetic design with both comfort and durability. The dual-pull fit system adds dynamic lockdown to this upper for support and mobility. In the midsole is a 3/4-length Phylon™ wedge that mixes supportive midfoot cushioning with a minimal, responsive forefoot. This combination gives the comfort that serious athletes need without reducing low-to-the-ground feel. The outsole is made from strong TPU, with dual-stage cleats that improve your traction in any direction. Wt. 7.8 oz.