Lightweight Hyperfuse construction for durability, breathability and supportExtended U-throat for a snug, custom fit that adapts to your foot shapeFlywire for lightweight support and lockdownUltra-lightweight, springy Lunarlon cushioning for soft yet responsive shock absorptionEVA sockliner is molded around the arch for support and a great step-in feelRubber outsole with herringbone pattern for durability and tractionGreat condition! Cleaned and sanitized!