Ryka - Tri-Trainer (White/Silver/Celery) - Women's: A lightweight balanced running shoe offering unique features for the runner who combines multiple outdoor training activities. Synthetic/mesh upper is lightweight, breathable, and quick drying. Full forefoot Nitracel Engage(R) provides superior forefoot cushioning and rebound. Unique water friendly outsole design provides water drainage and enhanced drying as well as durability. Heel strap/buckle closure system is adjustable to provide a snug fit. Removable, drainable sockliner for added cushioning and water drainage. Shoe weighs 8.2 oz.