Dunlop Ultimate Tour Indoor Men's Racquetball/Squash Court Shoe (Black/Green) (Non-Marking) Mesh/Leather Great indoor shoe for squash & racquetball. D3O Impact Protection technology for superior impact resistance and injury prevention. Hot Melt upper design for breathability and lightweight performance. Anti Drag Zone to combat high stresses and abrasion. Dunlop Performance Rubber outsole for enhanced traction.