Natural running enthusiasts and gym-goers, this one&&';;s for you. With the newly refreshed ST-5, we lowered the zero drop platform to just 14 mm for a close to barefoot experience, with just enough cushioning to keep you comfortable. The sleek upper features a recycled mesh and delivers a secure, well ventilated fit. If you prefer a minimal underfoot experience for everything from running, to gym work, to casual wear, look no further than ST-5. Features : MM Drop a Completely neutral drop for the most natural running experience. Lightweight Breathable Materials a For a &';2nd Skin&'; fit and feel. Performance Insoles a Comfortable insoles with long-term resilience and anti-microbial properties. Roomy Toe Box a Anatomical toe box allows toes to spread naturally and comfortably. Specs : Best For: Road Running, Gym Stack Height: 14mm (0-drop) Heel to Toe Drop : 0mm Weight: 6.6 OZ (M9)