Simms Men's Zipit II Bi-Fit Vulcanized Rubber Wading Boots - Simms' Zipit II goes on and off fast thanks to a gusseted opening and YKK corrosion-resistant zippers. Wear them barefoot or with socks. Enjoy extreme durability via perforated neoprene uppers, vulcanized rubber overlays, and the puncture-free footing of a full length Bi-Fit lasting board. Easy on/easy off saltwater wet wading shoe with gusseted zipper opening & YKK locking corrosion-resistant zipper; Perforated neoprene upper with vulcanized rubber overlays for additional durability; Durable vulcanized rubber outsole and molded EVA sockliner and full length Bi-Fit lasting board for puncture resistance; Designed to be worn barefoot or with a light liner sock; Style: 10340;