Ryka Hydro Sport Women's Athletic Training Sneaker. An essential sneaker for water aerobics, kayaking, or any water workout, this cross-trainer with an innovative drainage system and standout support is a fan-favorite. BEST FOR: Water fitness and outdoor water activities + High-intensity workouts. PERFORMANCE TECH: Multi-port drainage system + Exceptional built-in support under the midfoot. MADE FOR WOMEN FIT: Designed for a woman’s unique foot shape with a narrower heel, roomier toe, and softer foot cushioning. MATERIALS: Quick-drying, chlorine-friendly mesh + faux leather overlays for extra durability. CLOSURE: Toggle lacing system for easy on/off + Padded collar for extra cushioning. INSOLE: Removable cushioned Nitracel insole with drainage holes. MIDSOLE: Lightweight EVA for soft cushioning with draining holes. OUTSOLE: Sticky rubber sole for extra traction on wet surfaces. WEIGHT: 239 g/8.4 oz per shoe. HEEL-TO-TOE DROP: 12 mm. Model: RYKA-HYDRO_SPORT.