Start Fitness

Following the success of the GEL-DS TRAINER the GEL-DS SKY SPEED is suitable for the more efficient runner with a neutral gait. It features additional Guidance Line technology for a smooth and efficient ride with ASICS most advanced upper technologies for an extremely comfortable fit.

IMPACT GUIDANCE SYSTEM (IGS) - ASICS Design Philosophy. Employs linked componentry that enhances the foots natural gait from heel strike to toe-off.
REARFOOT & FOREFOOT GEL CUSHIONING SYSTEM - Attenuates shock during impact and toe-off phases and allows movement in multiple planes as the foot transitions through the gait cycle.
ASYMMETRICAL LACING DESIGN - An anatomically correct lacing environment that reduces potential for irritation and provides improved comfort and fit.
GUIDANCE LINE - Vertical flex groove decouples the tooling along the line of progression for enhanced gait efficiency.
COMFORDRY SOCKLINER - Provides cushioning performance and anti-microbial properties for a cooler drier healthier environment. BIOMORPHIC FIT - Stretch material strategically placed on the upper helps to reduce buckling and the potential for irritation.