The Roark Board Shorts The Chiller in Men's Size 30 are tropical-themed swim bottoms with a vibrant multicolor floral pattern. Made of polyester and elastane, these board shorts feature a one-flap covered back pocket, hand pockets, stretch fabric, quick-dry technology, and a drawstring waist for a secure fit. Safe zippered pocket for hotel keys and ID, plus two more!! Vacay beach swim surf!