Simms Challenger 7 Inch Deck Boot From the dock duties to running laps around the deck, the vulcanized-rubber Challenger 7" Boot sets the task-ready standard for guaranteed waterproof protection and comfort. - Vulcanized rubber outer with neoprene lining - Simms proprietary rugged deck outsole provides grip and traction on all surfaces - Pull-on loop for easy on and off. WEIGHT: 50 oz. (1418 g) per pair size 9 ITEM #: PG-13939