OnGossamer Cotton Hi-cut Brief is 82% Pima Cotton, 18% Lycra. It is a universally fit panty that will not rise up when you sit down. This OnGossamer Cotton Hi-cut Brief provides comfortable full back coverage and is perfect for days when youÆd prefer to skip the thong but still want to feel like youÆre wearing nothing underneath. A cotton undie must-have. OnGossamer's lingerie has become a celebrity staple. OnGossamer offers women a modern of lingerie must haves.