Gearing up to support conservation, Chief Upland and Pheasants Forever are excited to offer this exclusive co-branded Over/Under Vest. The world's first fully customizable front-loading upland hunting vest. This is gear that goes beyond.Pheasants Forever Edition Over/Under Vest (See Size Guide Below)Size Guide: Your navel measurement is the most critical measurement for ideal ergonomics and load-carryingSmall/Medium - Measurement at navel of under 39"Large/XL - Measurement at navel of 39" to 44"2XL & Up - Measurement at navel above 44"