Ryka Ultimate Women's Athletic Running Sneaker. Make the most of every stride in this fan-favorite running sneaker with a heel crash pad, standout support, and our powerful Made for Women fit. BEST FOR: Walk-run interval workouts + Light running. PERFORMANCE TECH: Heel crash pad for impact protection where you need it most + Skeletal Guidance System for exceptional built-in support under the midfoot. 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 with durable leather toe cap and overlays + Padded heel collar for extra cushioning. CLOSURE: Lace-up front for a secure fit. INSOLE: Memory Foam for all-day comfort. MIDSOLE: Lightweight EVA for soft cushioning. OUTSOLE: Durable rubber sole with extra traction. WEIGHT: 240 g/8.5 oz per shoe. HEEL-TO-TOE DROP: 10 mm. Model: RYKA-ULTIMATE.