Unique NILIT® Breeze ultra-soft lining keeps feet feeling refreshed and comfortable. Quickly transfers body heat and feels smooth on the skin, reducing friction and irritation. Lightweight outer venting increases breathability whilst the fl at toe seam and arch bracing provide added comfort. Outer layer: 46% nylon, 23% polyester, 21% Tactel®, 10% Lycra. Inner layer: 100% NILIT® Breeze.