The New Altra Footwear One V3 (Black) Men's Running Shoes, male, Shoes , Athletic , Running, 8.5 D - Medium, true, Keep up with miles and hours of training with the Altra Footwear One v3! Predecessor: One 2.5. Support Type: Neutral. Cushioning: Lightweight flexible response. Surface: Road. Differential: 0 mm. Altra recommends that those new to natural running and zero-drop footwear transition slowly by wearing these on shorter runs and gradually building up to regular mileage. Ideal for running racing speed work training and walking. Updated reinforced synthetic upper with TPU overlays is lightweight and quick to dry. Lace-up closure for a secure adjustable fit. Padded mesh and tongue offers comfort against foot. Breathable mesh lining. InnerFlex EVA technology adapts to foot's natural flex by employing omnidirectional flex grooves in the midsole. Contoured footbed helps with a natural ride. FootShape toe box allows toes to relax and move freely providing enhanced comfort natural stability and a more powerful toe-off. Fully cushioned Zero Drop technology promotes a more natural foot strike and a more efficient stride. Blown rubber FootPod outsole. Last: PFS1.5-M Imported. Weight of footwear is based on a single item not a pair.