Extrasport Volksvest Type III PFD Soft, breathable and quick-drying 200 denier nylon oxford inside and out. Adjustable side-straps, elastic waist and super-soft foam provide a comfortable and secure fit Easy to wear front-zip style with a beefy non-corroding YKK Vislon #10 zipper Narrow chest for superior range of motion Sizes (Chest): XS/S (34-48) M/L (40-44) XL/XXL (46-50)