Unleash effortless energy and unstoppable comfort every step of the day in this comfortable walking shoe made for women who never settle for ordinary. BEST FOR: Lifestyle. PERFORMANCE TESTED: Proven in lab testing to provide very high perceived cushioning. RYKÄQ TECH: Built for a woman's quadricep muscle Q ANGLE with a narrower heel, roomier toe + contoured cushioning for stability. MATERIALS: Unlined engineered knit upper with stretch topline and instep pull tab + Fabric lining. CLOSURE: Slip on fit. INSOLE: Anatomical insole for arch + heel support; partially recycled EVA. MIDSOLE: Maximal ACTIVfoam™ EVA for soft cushioning + plus extra RE-ZORB® LITE in the forefoot and heel + Full-length RE-ZORB® responsive cushioning. OUTSOLE: Durable two-piece rubber sole for grip + Built-in compression channels for shock absorption. WEIGHT: 194g/6.9oz per shoe. HEEL-TO-TOE DROP: 10mm.