You're planning a long backpack trip and would like a pair of wicking, quick-drying undies that can go a few days without offending your tent partners. Turn to the Ex Officio Women's Give-N-Go Full-Cut Briefs. The Give-N-Go Briefs have a full cut that covers your buns and hips. Nylon and spandex fabric air-dries quickly so you can wash as you go, while an odor-resistant finish helps block smells.