UA AMP Technology unleashes the power of your foundation – your feet – by amplifying the biomechanics of movement. Innovative UA SpeedForm® technology delivers an unprecedented precision fit for unrivaled comfort & zero distraction. External TPU heel counter for locked in support. Silicone taping on the forefoot for grip & durability during training. Molded toe cap. Full-length Charged Cushioning® sockliner provides ultimate comfort & fit. Dual-layer midsole combines Charged Cushioning® on top of Micro G® foam for the ultimate blend of cushioned support & explosive responsiveness. Strategically placed rubber & flex grooves in the outsole give you multi-surface traction & superior flexibility. Offset: 8 mm. Weight: 7.6 oz..