Shoe Science says about Megablast Unisex We use the shoes in long run, easy runs and tempo training, even race day. Road - Daily trainer, tempo, race day? Rotation - Metaspeed Series (race day), Sonicblast (tempo), Trabuco Max (Trail), Nimbus (Recovery) Forward transition - 8/10 Dynamic stability - 6/10 Dynamic cushioning - 8/10 Many shoes will have a very similar profile yet perform differently for different people. We recommend an in-store fitting for a new style and online for the 'tried and true'. Key Stats Width - Std is standard width Weight - 223 gms Rear stack - 45 mm Forefoot stack - 37 mm Offset - 8 mm Carbon plate - No ASICS says ASICS MEGABLAST™ running shoes are designed for runners who are looking for lightweight responsiveness and spring, without sacrificing comfort. This addition to the ASICS running shoe lineup is one of our bounciest, and features a curved, rockered sole that energetically propels you forward with every step. MEGABLAST™ rockered running shoes offer cloud-like cushioning and an efficient stride for long runs, easy jogs and tempo training. Depending on your running style, they also work on race day.