Rapid-fire rebound and a vibration-free, cushioned ride. Sonic 5 Balance is lightweight and balanced for a broad range of runners, featuring Optivibe technology to keep vibrations low and energy return high for smooth, more comfortable transitions. A soft and enveloping mesh upper and pillowy tongue and collar construction hug and support your feet for miles. BENEFITS  Reduce Vibrations Optivibe™ cushioning helps limit vibrations with the aim of decreasing muscle fatigue, while continuing to deliver a responsive ride. Responsive Ride Delivers that bouncy, springy feeling each time you push off the ground. Balanced Transition The Geometric Decoupling axis is centered to deliver a balanced, effortless forward transition from contact to propulsion. FEATURES OUTSOLE: Geometric Decoupling™ Geometric Decoupling™ works with the foot to provide guidance for an effortless and efficient heel-to-toe transition. MIDSOLE: Optivibe™ A combination of foams, one to dampen, one to propel. This was developed to reduce vibration upon foot strike aimed to decrease muscle fatigue without affecting the overall ride UPPER MATERIAL: Engineered Mesh Engineered mesh is a structure that varies the weave to offer more support and durability or flexibility and breathability, according to the specific needs of the shoe.   DETAILS TYPE OF RUN - Everyday run CUSHION - Regular FREQUENCY PER WEEK - 2-3 times SHOE WIDTH - Standard  Inlay sole - textile /Synthetic Lining - TEXTILE 100%POLYESTER MCL Outsole - Rubber UpperTextile / Synthetic Drop - 8 in mm  Heel stack height - 28 mm Forefoot stack height - 20 mm Weight - 266 g Lacing system - Regular laces