WHITEWATER
For the guy who wants to surf on a whitewater river where rocks would ding up a hard board, inflatables pack small and blow up quickly.  

C4 iSUP XXL 
The iSUP fits inside a backpack-size carry bag and can be hand-pumped to its full 10-foot-9-inch size in minutes. Once pumped up, the iSUP is a stable 34-inch-wide platform for flat-water touring or small-wave surfing. It stood up to all conditions and proved to be the perfect travel companion on a trip to the British West Indies. [$1,300; c4waterman.com]