The OSG Summit is the backpacking float tube youve been waiting for. Its U-boat design facilitates easy maneuvering, and constructed with urethane bladders, its just under 7 lbs.and complete with an inflatable backrest, mesh seat, compression sack, and velcro apron. The Summit will allow you to access remote high-mountain lakes and ponds. What makes the Summit float tube special? Best Boat for accessing remote lakes: The OSG Summit is lightweight, packable, and comes with a compression bag to make it as portable as possible. 5-Year Warranty: We stand behind the OSG Summit with a 5-year limited warranty and provide excellent customer service.   SPECIFICATIONS LENGTH 43" WIDTH 43" WEIGHT 7 LBS. TUB DIAMETER 12" VALVE TYPE SUMMIT II BASE FABRIC DENIER 600 POLY / 420 NYLON MATERIAL WEIGHT, OZ. PER SQ. YARD 20 OZ. AIRECELL MATERIAL URETHANE NUMBER OF CHAMBERS 2 LOAD CAPACITY 250 LBS. WARRANTY 5 YEAR LIMITED WARRANTY COLOR SAGE/GRAY