Shop Mti MTI Slipstream. Serious touring kayakers will love the Slipstream. Ultra-low profile 3D cut foam with racer back and Z-Strap cinch down technology. Inside comfort with the Mesh Air Flow System - a 3D mesh liner with memory foam cushions. 2 cargo packets, both with soft fleece hand warmers. The stretch mesh pocket has an antenna portal to hold a radio. Kangaroo pocket holds small items like lip balm. Beefy honey-comb reflective panels. Stunning back design with sinuous reflective trim pattern, lash tab, and handy hat holder loop. 300D polyester and 400D nylon fabric shell. USCG: Type III, Min buoyancy: 15 lbs. 8 oz.