Good Used Condition. Black, dance sneakers. UNISEX. Bloch size 8.5 is woman 7.5 (MEN 6) Boost is a lace-up split sole lightweight resistance technology dance sneaker, boasting built-in arch support, an all canvas upper and elevation that accentuates the arch. Split, non-marking outsole sneaker made on a high arch last with lightweight high performance materials Provides range of movement and support to appeal to dancers across broad range of dance disciplines Variable lacing system for support and optimum fit in the arch Compression molded EVA sock liner Dri-Lex lining that is non-wrinkling, breathable and odour/mildew resistant Suede heel grip with D.R.T cushioned heel for shock absorption and comfort Lightweight man-made midsole with air cushion of 4PSI for shock absorption Four part high-density man-made outsole with spin spot for 360 degree turning