Gravity 13 Details specifications * Weight: 8.0 oz * Drop: 3.0mm * Support: Neutral * Certified Vegan * Sustainably Constructed upper * Men's specific design/fit * 3-D engineered air mesh * Plush, breathable seamless construction * Multi-positional lacing system * Upper constructed of 100% recycled materials sole technology * NEW Newtonium-T Midsole * XPS+ Pebax Plating system * High performance Action-Reaction Technology * Full-Foot Newtonium Cushioning * New Hytrel® foam footbed Designed to Make A Difference The Gravity is our most versatile and technologically advanced trainer. Fast enough to race in, but cushioned enough for every day. And every step you take today makes a difference tomorrow--all of our products are vegan and made from the most premium and durable recycled materials removing 7+ water bottles from the waste stream. What Makes Newton Unique? Enhanced Cushion The new Newtonium-T foam is a next generation TPEE compound formulated to deliver far superior impact absorption and rebound compared to other foams and makes the incredibly responsive ride even more fun than ever. Elevated Comfort The super breathable seamless air mesh is designed specifically to the anatomical structure of a man's foot to make you more comfortable and secure. Paired with a Hytrel super foam footbed that works like a pillow on top of the midsole, you've never been more comfortable in a performance shoe. Evolved Performance Newton's technological edge lies in our proprietary Action-Reaction Technology™. Generated by the active movement of the lugs in & out of the midsole it creates a trampoline-like cushioning system that provides a quicker bounce back with less energy loss than other running shoes.