APMA Seal of Acceptance, Arch Fit, Comfort Pillar Technology, Dual-Density, Machine Washable, Stretch Fit, Ultra Go. Experience ultimate comfort and support wearing Skechers GO WALK® Arch Fit® 2.0 - Knitted Relief. This laceless walking design has been granted the APMA Seal of Acceptance and features a Stretch Fit® engineered knit upper with a removable Arch Fit® insole, lightweight ULTRA GO® cushioning, plus Comfort Pillar Technology® for added support.