Women's Ryka Echo Sky Casual Sneakers Get moving with ease in these lightweight, trail-ready womens slip-on shoes with cushion, shock absorption, and sticky rubber tread soles. BEST FOR: Performance casual + Everyday wear. PERFORMANCE TECH: RE-ZORB LITE for lightweight impact protection + shock absorption. MADE FOR WOMEN FIT: Designed for a woman’s unique foot shape, muscle movement, and build with a narrower heel, roomier toe, and softer foot cushioning. MATERIALS: Engineered knit with stretch topline + Padded heel collar for extra cushioning. CLOSURE: Slip-on fit with stretch bungee laces + back pull tab for easy on/off. INSOLE: Anatomical insole with extra arch + heel support. MIDSOLE: Lightweight EVA for soft cushioning with RE-ZORB LITE. OUTSOLE: Sticky rubber sole with tread grooves for extra traction + raised sidewalls for extra support. WEIGHT: 218 g/7.7 oz per shoe. HEEL-TO-TOE DROP: 8 mm.