- The Bombacio underwear by Maris Equi is designed for ultimate comfort and style. Our underwear is short waisted to avoid popping out the top of your pants and have no sewn in labels to irritate your skin. They also have a shorter inseam to reduce bunching while putting on your pants. Made from 95% Cotton and 5% Spandex, Bombacio underwear by Maris Equi are just the added fun your wardrobe craves!