Let nothing stand in the way of your next PB. Lace up the Under Armour Speeform Gemini 2 and watch the miles fly by. UA SpeedForm upper features smooth, welded seams for a supportive second-skin fit. Molded toe cap adds support and durability. Embedded sockliner wicks away sweat and provides extra cushioning. Dual-layer Charged Cushioning in the midsole for comfortable energy return. Blown rubber outsole with carbon rubber heel for durable, lightweight traction. Anatomically placed flex grooves create a smoother running stride. Wt. 9.0 oz.