MCKILLOP U/W is designed specifically for your natural movement, essential support and extraordinary lift. The soft, breathable mesh, cups and holds you in place with an optional support ring to avoid unintentional slips. When needed, the pouch easily lifts up to provide maximum exposure. This backless design allows your pants to hang in a more natural position showcasing your finer assets, without lines. Jock No.1.5 has a soft, thin 1.5" waistband that ensures the elastic will not be seen above the pant line. 86% Polyester 14% Spandex.