On Women's Cloudswift 3 Sneaker in All Black Altra Men The lower layer is an

The lower layer is an EVA foam cushioning cover for maximum comfort

or pinching and friction from shoes

Sweat escapes and lets skin breathe

Speedboard technology enhances energy return for fast transitions

supportive feel

On Women's Cloudswift 3 Sneaker in All Black Altra Men The lower layer is anEngineered to outpace the demands of urban running, this sock fit shoe sports a ribbed lacing cage that locks your foot comfortably to the springy foam sole. Responsive Speedboard construction moves naturally with your stride to transform every heel strike into an explosive toe off, with durable, high abrasion rubber in the tread providing superior grip on urban streets, sidewalks and stepseven when they're wet. Cushioning: absorbs impact and