Be it work or play, the Caterpillar Arbor Waterproof Bootie is designed to keep your style quotient high. This comfortable lace-up boot features a lightweight foam footbed, enabling efficient rebound for all-day cushioning. Plus, the waterproof construction makes this flexible bootie ready for all that comes your way. Waterproof construction Lightweight foam footbed Antimicrobial microfiber sockliner Tweed lining.