adidas Supernova Sequence 7 Womens Running Sneakers/Shoes Synthetic TORSION System - Midfoot shank which adds strength and integrity to the trainers. Continental Rubber Outsole - For superb grip, more durable and longer lasting mileage. Flexible Textile Upper - The textile upper is lightweight and is able to adjust to the shape of your own foot ensuring a comfortable fit. Open Mesh Upper - For maximum breathability, to keep you cool, dry and comfortable while running. boost Technology - Keep every step charged with an endless supply of light, fast energy.