adidas SL7600 Trainers in White. Adding a futuristic touch on a vintage silhouette the SL7600 is packed full of tech. The boost technology provides all-day comfort and support to your feet either on the street or the gym, the Adidas trainer is the perfect all-day trainer. Crafted from a breathable nylon exterior with suede overlays for a foot-hugging knit upper to help give a secure fitting. Finished with a D-ring lacing system, the trainers strap in both foam BOOST inserts and an EVA sole below for ultimate cushioning.