The Asics SONICBLAST shoe offers a lightweight and responsive ride that makes it functional for tempo runs, workouts and races. This boosted trainer has a more stable heel and more flexible forefoot transition compared to other plated models, making it a more accessible option to many runners. The midsole features a two-layered foam with FF BLAST MAX and FF TURBO SQUARED cushioning to help create a lightweight, bouncy, and advanced cushioning running experience. Additionally, an ASTROPLATE (PEBAX plate) is centered in the foam. This helps propel your momentum forward, creating a faster feel underfoot. Engineered mesh upper A lightweight, breathable mesh material helps reduce the need for additional overlays. ASTROPLATE PEBAX plate balances propulsion with flexibility for versatility in everyday training. FF BLAST MAX cushioning One of our most energetic midsole foams that's complemented with cloud-like softness and a responsive energy return in each step. FF TURBO SQUARED cushioning This foam features a high-energy return midsole material. It's designed to help provide excellent cushioning and bounce for your run. ASICSGRIP outsole rubber ASICS proprietary outsole that provides advanced grip on a variety of terrain.