Advanced Elements StraitEdge2 Inflatable Kayak FeaturesAdvanced Elements StraitEdge2 Inflatable Kayak:Sit-On-Top Tandem KayakIncorporates Aluminum Bow & Stern Frame to Improve Tracking In-Open-Water-ConditionsSelf-Bailing Ports Opened In Rough Conditions, Closed In Calm or Cold ConditionsCan-Be-Paddled In Up to Class III WhitewaterImproved Trac..