PUMA Faas 600 V3 Running Shoes Engineered air mesh upper - For optimized breathability and a glove-like fit, with weave mesh panels to provide extra medial support. Lace closure - For a snug fit. EverFit 2.0 lockdown technology - For improved midfoot security. Molded rebound OrthoLite sockliner - For exceptional fit and comfort. FaasFoam Lite cushioning foam - Offers instant, lightweight comfort with every stride.