The MBT Cushioning profile featured in the athletic Zee 18 running shoes provides the runner with maximum cushion and an ultrasoft feel during training and gym workouts, or while recovering from long runs. MBT Pivot Strike area gives runners the ideal foot-striking platform to transition more quickly and smoothly into propulsion while simultaneously enhancing support and cushioning. Cushioning profile provides the runner with maximum cushion and an ultrasoft feel during training and gym workouts, or while recovering from long runs. Breathable Air Mesh engineered mesh upper is patterned for added strength and flexibility while providing high levels of breathability and ventilation. Padded tongue and collar lined with the Drylex 360 degrees Moisture Management System , a super-soft textile lining that features moisture-wicking, abrasion-resistant, and antimicrobial properties for prolonged freshness and comfort. Lace-up closure. Removable antimicrobial insole allows the option to add orthotic insoles or get a little extra width. Note : To fully benefit from the Masai Barefoot Technology, MBT shoes should be worn without orthotics. Tri-density rocker midsole promotes enhanced cushioning that allows for a smoother and better ride. Non-marking, abrasion-resistant rubber outsole delivers increased durability with minimalist weight. Accepted by the American Podiatric Medical Association for promoting quality foot health. Imported. Measurements: Weight: 1 lb 2 oz Product measurements were taken using size 11.5, width M. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.