Nrs tributary NRS 533. NRS frames are modular and easy to customize but they are not one size fits all. A self bailing raft for those wanting a lot of bang for the buck. A true touring kayak, the Tributary Sawtooth II Inflatable Kayak is a lightweight inflatable ideal for flatwater adventures. I’ve R2’d and guided friends down class V in one and been happy with the The mission behind Tributary, a subsidiary of AIRE, is to provide the best possible raft that doesn’t break the bank. The Tributary Spud inflatable kayak is a great choice for introducing kids to whitewater. 5 sizes available The AIRE Tributary 12 HD Self-Bailing Raft brings the agility and maneuverability needed on tight, technical river canyons and the stability you want to take family and friends floating on mild—or wild—waters, all in one compact design. NRS, STAR & AIRE Raft Frame Sizing Guide. Save big money on used rafts and repaired inflatables from NRS. A classic creeking raft that's easy to ferry and stable enough to run steep drops and big waves. glbitfcbscbwqtohllusplwnuluzualrbwxvippneiczkgmcltdvvoltqmuiaxsgvujkflbqlppxewje