Women's Ryka Echo Knit Get outdoors with ease in this lightweight, trail-ready slip-on sneaker with cushion, shock absorption, and sticky rubber tread soles. BEST FOR: Light outdoor hiking. 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: Soft ribbed knit + Padded heel collar for extra cushioning. CLOSURE: Slip-on fit with stretch topline for extra flexibility + front and back pull tabs 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 outdoors + raised sidewalls for extra support. WEIGHT: 220 g/8 oz per shoe. HEEL-TO-TOE DROP: 8 mm.