The Ride 7 is lighter than its predecessor by 14grams & features a redesigned outsole for better durability & cushioning. Welded overlays create a seamless feel, & a highly breathable open air mesh keeps your feet cool & comfortable. Power Grid provides for even smoother transitions with less weight, & the forefoot has been redesigned with vertical flex grooves & more ground contact i BR+ for enhanced responsiveness.RUNDRY collar lining & interior wicks away moisture ensuring you stay comfortable in difficult conditions. Comfort Lite sockliner ensures enhanced levels of comfort throughout providing next-to-skin comfort & maximizing wicking. The plastic midfoot shank from previous versions has been removed for better flexibility & reduced weight. The SRC (Super Rebound Cushioning) Impact Zone provides shock attenuation & sets the foot up for a smooth transition. Lightweight, flexible Blown Rubber provides added cushioning in the outsole while maintaining durability & a smooth ride. The XT-900 carbon rubber outsole material offers exceptional traction properties without sacrificing durability.