Mustang Survival Rev Young Adult Vest Men's Waders & Jackets Breathable 100% recycled nylon fabric Breathable 100% recycled nylon fabric with stretch allows unrestricted movement and eliminates the need for pit zips The chassis is based on the conical system found in our other reels with the addition of a click stop drag knob and a unique spring set that creates a linear progression of torque with very fine resolution at the light end of its range This front entry young adult PFD has specially designed interior panels that form to the body and provide a better fit for youth (28 32" chest size) than a small adult vest MOLLE inspired accessory panel for custom gear attachment