The GEL-SPEEDSTAR 4 is a performance trainer that meets the needs of the biomechanically efficient runner who wants a light flexible shoe with a comfortable breathable upper.

REARFOOT AND FOREFOOT GEL CUSHIONING SYSTEMS - Attenuates shock during impact and toe-off phases and allows movement in multiple planes as the foot transitions through the gait cycle. ASYMMETRIC LACING DESIGN - An anatomically correct lacing environment that reduces potential for irritation and provides improved comfort and fit. SOLYTE MIDSOLE MATERIAL - A lighter weight midsole compound than ASICS standard EVA and SpEVA. Also features enhanced cushioning and durability.  WEIGHT: 261g