Built with a revolutionary low-profile chassis, the EP 38 inflatable ocean racing vest is engineered for the elite ocean racer. Membrane Inflatable Technology inside reduces weight and increases flexibility, and the Hydrostatic Inflator Technology (HIT) will only inflate when submerged and not in rain, spray, or high humidity. The low-profile chassis is designed for maximum range of motion during high output grinding and sail changes. This PFD integrates seamlessly with the EP 6.5 Ocean Racing outerwear collection for a head-to-toe sailing solution providing performance edge in the harshest of conditions. Vest is approval TC Marine - TP 14475 - Inflatable PFDs - Type V with Type II Performance. Low profile, lightweight chassis cut for active use 360 degree motion for high output grinding and sail changes. Hydrostatic Inflator Technology (HIT) will only inflate when submerged in 4" (10.2 cm) or more water, and not in rain, spray, or high humidity. Discreet manual inflation handle prevents snags. Back mounted, storable spray hood. Marine-grade retro-reflective materials. Integrated sailing harness with soft tie-in and lifting loop. Internal storage for IAS, PLBs, strobes and other electronics. Removable crotch strap, marine-grade whistle and easy adjust squeeze-style side release buckles for fast donning and doffing. Vest is designed for a universal fit for chest sizes from 30" to 52" (76 cm to 132 cm) and with a user weight requirement of 80 lbs. (36 kg) and over. The harness use is for 110 lbs. (50 kg) or over.