adidas Supernova Sequence 7 Running Shoes Synthetic Overlays - Secures the foot tightly to the shoe. Engineered Mesh Overlays - Keep feet cool and dry whilst you perform. Heel Collar and Padded Tongue - For improved comfort whilst you perform. Adidas Boost - Energy-returning properties keep every step charged with an endless supply of light, fast energy. Full-Length EVA Stable Frame - Designed to guide and support the foot from heel to toe.