The Asics Gel DS Trainer 21 hits the market to continue leading segment of performance running shoes with pronation control (there is available an edition for neutral runners named "NC" or "Neutral"). The DS Trainer 21 shares the platform with the jazzy Noosa Tri 11 and it is a perfect choice for interval training, speed workouts and racing long distances up to marathon.
Only upper changes from its predecessor the DS Trainer 20 with a redesigned heel counter inspired by the luxurious Gel Kayano 22 for improved stability. Lightweight upper is still made of a single layer for great comfort without friction but fused structure has been modified to provide a better fit without impact on breathability. Visibility in poor light conditions has been improved by adding reflective elements from industry leader 3M™.
The DS Trainer 21 delivers great blend of responsiveness and cushioning by using Solyte® midsole with well known rear and forefoot GEL®. Pronation control is based on DuoMax® dual density foam (medial post) and TPU unit (Propulsion Trusstic®) in the midfoot features smooth transition. Outsole mixes the flexible DuoSole® (the "DS" in the name stands for "Duo Sole") with AHAR placed in most exposed areas for longer durability.