If you're looking for a barely-there life jacket, NRS Ambient Life Jacket. This personal floatation device features the Orbit Fit System, which layers pieces of lightweight closed-cell foam precisely cut to create a flexible and comfortable shape that fits your body. Better yet, the graded sizing makes for a better-fitting life jacket for all sizes. Tweak the adjustable shoulders, side, and waist to further hone your ideal fit. The front YKK zipper makes for easy entry and exit. The dual expandable zip pockets allow you to keep small items handy. Equip accessories to the 4 attachments points on the front and back. This NRS life jacket also boasts 3M reflective accents and shoulder-strap keepers. The 100% recycled ripstop 420-denier nylon shell and 100% recycled 200-denier nylon lining stands up to seasons of adventures. The lining has a double-knit, 4-way stretch that works with the silicone-coated inner waistband to increase your comfort. USGC and TC-approved.Manufacturer model #: 40117.01. Front YKK zipper Orbit Fit System layers pieces of lightweight closed-cell foam Flexible, pre-curved shape Graded sizing creates better fits for all Dual expandable zip pockets 3M reflective accents Shoulder-strap keepers 4 attachment points on front and back for accessories Adjustable shoulders, side, and waist Ripstop 420-denier nylon shell Recycled 200-denier nylon inner 4-way stretch double-knit polyester lining Silicone-coated inner waistband