The Nike Zoom Streak LT track flat is designed for use on the track, roads or XC surfaces. Ultra-lightweight upper features highly breathable/drainable mesh and an internal arch bandage that provides lightweight, targeted support through the midfoot. Full-length Cushlon midsole with a Nike Zoom™ unit in the heel offers added protection. Embedded midfoot shank delivers an improved heel-to-toe transition. Mini Waffle® outsole gives durable traction and grip. Wt. 5.4 oz.