Innovative Orbit Fit System increases range of motion and eliminates the desire to over-tighten Compartmentalized, zippered, clamshell pocket stows and organizes essential on-person gear Internal organization includes hook-and-loop pockets sized to fit a radio or GPS 5 attachment points for knife, lights, or strobe Extensive 3M reflective accents to increase visibility in low-light conditions NRS Ninja OS Lifejacket (PFD) - Touring paddlers looking for greater mobility and comfort without compromising safety features or storage space will appreciate the stealthy flotation of the NRS Ninja OS PFD. The Ninja OS takes a low-profile platform and adds sea kayaking-specific features that will have you begging for one more wave.