NIKE Lady Free 3.0 V5 Running Shoes Made in USA ** UPDATED ** Redesigned Inner Bootie Construction - An inner bootie hugs the foot for a snug, secure fit. It's made of ultra-breathable engineered mesh that provides a dynamic, sock-like fit yet still allows for easy on and off. ** UPDATED ** Diagonal Cuts - Through the arch to encourage natural motion flexibility and help increase foot strength. Ultra-Low Profile (4mm Offset) - The ultra-low midsole features a 4mm offset from heel to forefoot height for an incredibly flexible, natural ride. Superior Flex Groove Outsole - The flex groove outsole provide superior flexibilitymade up of deep cuts along the length and width of the midsoleenhances natural range of motion, encourages a smooth, efficient stride and helps maintain stability. Minimal No-Sew Overlays - For lightweight support and comfort.