adidas Springblade Drive 2 - Women's Invigorate your running routine with the explosive energy of full-length Springblade. Engineered mesh forefoot with distinctive heel materials for a "split" dimension. Molded, responsive EVA sockliner for anatomical fit and step-in comfort. 16 individually responsive TPU blades for cushion and energy return. AdiWEAR™ outsole for durability in high-wear areas. Wt. 11.4 oz.