Topo Athletic Halsa Shoe - Women's Synthetic 4mm Rubber Outsole 14 MM Total stack height/zero drop 3mm Footbed 7mm Eva midsole Weight: 6.3 oz (size 7) Utilizes micro-adjustable BOA Closure System for exact fit Upper construction features abrasion resistant mesh and TPU printing for durability and flexibility Offers mid-foot strap for added stability 0-drop, neutral, and stable EVA midsole with carbon rubber outsole. Usage recommendation: CrossFit, HIIT training, Gym exercise