Double-stacked foam creates our most cushioned stability shoes yet. Take supportive cushioning to the next level in the Structure Plus. We stacked responsive ZoomX foam on top of ReactX foam for a smooth, and secure ride. Plus, our midfoot support system helps provide a stable transition from heel to toe. Dialed-Up Cushioning - We combined premium ZoomX foam with sturdy ReactX foam to give you an ultra-comfortable, ultra-responsive feel. Trusted Stability - Our midfoot support system helps stabilize your foot and securely guide it through heel-to-toe transitions. Dual-Rubber Outsole - Soft rubber in the forefoot gives you flexibility while stiff, high-abrasion rubber in the heel offers enhanced durability. Secure Mesh Upper - Engineered mesh upper with a secure midfoot band gives you a contained feeling with optimal breathability. Product Details - Heel-to-toe drop - 10mm. Weight - Approx. 248g/8.7oz (Women's US 8). Reflective details. Not intended for use as Personal Protective Equipment (PPE).