The mainstay of ASICS performance line features tooling and upper specs that reprise the fit and comfort of the legendary GEL-DS Trainer® 6. Updated with new features like the vaunted Impact Guidance System (I.G.S.®), Space Trusstic System®, Propulsion Trusstic®, and asymmetrical lacing.

Impact Guidance System (I.G.S.®) (RUNNING)

ASICS® Design Philosophy. Employs linked componentry that enhances the foot's natural gait from heel strike to toe-off.

Propulsion Trusstic®

Mimics connective tissue in the foot by creating tension as foot enters propulsion stage.

Gender Specific Space Trusstic System®

Recognizes the normal periodic changes in the shape of the woman's arch and provides for the controlled deformation of the arch into the space within the system.

Biomorphic Fit ® Upper

Stretch material strategically placed on the upper helps to reduce buckling and the potential for irritation.

Asymmetrical Lacing Design

An anatomically correct lacing environment that reduces potential for irritation and provides improved comfort and fit.