Asics - Gel-Magic Racer IV (White/Royal/Flame) - Women's: The GEL-Magic Racer IV is Asics flagship racing shoe, providing total performance in an ultra-lightweight package that remains surprisingly balanced and well-cushioned. The lightweight, open mesh upper allows slipper-like feel and a well ventilated environment, while the Magic Sole provides a responsive ride and enhances breathability while minimizing weight. Features a reflective material produced by 3M company, for night safety. AHAR(R) is asics High Abrasion Resistance Rubber, a tough rubber compound used at the heavy-contact areas of the outside that helps cut down on the excessive wear. Rearfoot GEL Cushioning System for rearfoot shock attenuation during the impact phase. Trustic System(R) uses a moulded component under the midfoot area which provides over-pronation control in combination with extremely contoured midsoles as well as reduces the weight of the shoe. Shoe weighs 7.0 oz.