| RefrigiWear #B24 Women's 4 ASTM Composite Safety Toe Tennis Shoe | Waterproof | Black | 11. RefrigiWear Women's ASTM Composite Safety Toe Tennis Shoe, uninsulated, 4" leather and nylon mesh upper, waterproof membrane, fiberglass shank, dual density rebound foam insole, highly slip-resistant carbon rubber outsole. RefrigiWear #B24 Women's 4 ASTM Composite Safety Toe Tennis Shoe | Waterproof | Black | 11... - RefrigiWear #B24 Women's 4 ASTM Composite Safety Toe Tennis Shoe | Waterproof | Black | 11. |