The Undercap is a cap designed to look like “underpants for your head” from pop culture store, Archie McPhee. An Undercap would perfectly complement another of Archie McPhee’s products, their Handerpants, underpants for your hands.
Feeling a little chilly under that stocking cap? Tired of scalp irritation from wearing that fedora? You need an Undercap™! Each 95% cotton, 5% spandex cap is just like underwear for your head. Wear it underneath your hat for extra warmth and protection! Wear it by itself for a wacky new fashion statement! Hundreds of uses!