6pm.com is proud to offer the Avia - iTrain (Black/Chrome Silver/Maui Blue/Wild Lime) - Footwear: Dilemma: Yearning for toned, well-defined legs and tighter, firmer glutes. Solution: The women's iTrain fitness toning shoe from Avia! ; Features a more aggressive AVI-MOTION Technology - A bio-mechanically-correct toning shoe that's one part engineering and one part toning, that allows your foot to move naturally. ; Combination mesh upper with synthetic leather overlays for comfort and support. ; Padded collar and tongue. ; Breathable mesh collar lining and mesh tongue. ; Memory foam sockliner provides immediate comfort. ; Compression-molded EVA midsole. ; Anatomical cradle at the midsole for proper bio-feedback that enhances stability. ; Archrocker enhances the user's rocking motion from heel to toe in the gait cycle. ; Low-density dual pod Shear Gel Ryd technology encourages greater muscle activity during toe-off. ; SCS (Shear Cantilever System) accelerates the heel's ability to rebound to its natural state just in time for the next heel strike. ; APMA certified. The first toning shoe to be accepted by the American Podiatric Medical Association. ; Weight: 15.42 oz ; Product measurements were taken using size 8. Please note that measurements may vary by size.