Quite Simply, The Most Comfortable Our new line of Deluxe Inflatable PFDs combine the advanced safety of inflatable technology with new product enhancements such as a safety inspection window to easily tell users if the inflator is ready for use and a neoprene comfort collar to eliminate neck irritation. Made with an integrated sailing harness for extra safety, the MD3082 is designed specifically for sailors frequenting rough weather. The MD3082 is a manual inflation system requiring the wearer to pull an activation cord to inflate the PFD, and close-fitting to ensure it doesn't interfere with regular sailing activities (Canadian equivalent model: MD3052). Use only Mustang Survival re-arm kits. Use of other re-arm kits may result in improper operation or failure to operate and will void the product's