Women's Ryka Vivid RZX Training Sneakers Training Shoes Get moving in this high-impact cross-training sneaker with all the technology and support you need for even the most intense workouts. BEST FOR: Sport agility and cross-training workouts + High-intensity workouts and classes. PERFORMANCE TECH: RE-ZORB® responsive cushioning at the heel for impact protection + Ultra Flex for the ultimate in flexibility. 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: Breathable engineered mesh + Durable faux leather toe cap. CLOSURE: Lace-up front with adjustable lacing system for an extra secure fit. INSOLE: Anatomical insole with extra arch + heel support. MIDSOLE: Lightweight EVA for soft cushioning. OUTSOLE: Durable rubber sole with flex grooves + Pivot Point for smooth and easy turns. WEIGHT: 234 g/8.2 oz per shoe. HEEL-TO-TOE DROP: 9 mm.