Design and features Birddogs' swim trunks come in three inseam sizes — 6-inch, 7-inch, or 9-inch — and six colorways, from a solid light blue to a bright red and orange floral pattern.

Like any other type of underwear, men’s trunks come in a range of styles and materials, from no-frills all-cotton trunks to spec'd out synthetic options that promise unprecedented levels of ...