These unisex 3/4 Thinsole Orthotic insoles from Spenco are constructed with textile material for a great fit. RUBATEX Closed Cell neoprene is a superb cushioning system that absorbs shock and cushions each step. Heat them in hot water and shape the plastic arch to your foot for a personal fit. 3/4 length gives room for tight toes. Stretch fabric upper reduces friction.