The NRS Oso PFD is a basic, medium profile life jacket for recreational kayakers and rafters with a ventilated, thin-back design for comfort with any type of seat.FeaturesThe XS/M is rated for users weighing at least 40 kg and less than 60 kg and having chest measurements of 76 – 106 cm (including apparel layers)The L/XL and XL/XXL sizes are rated for users weighing over 41 kg. Use the chest measurement ranges (including apparel layers) in the sizing chart for choosing your sizeThe thin back construction distributes the PlushFit foam flotation more broadly to reduce bulk and improve the fitFive-panel design conforms effortlessly to your body’s shape, following your movements as you paddle, row, fish or swimFeatures two large zippered pockets for on-the-water essentials, 3M reflective accents, shoulder strap keepers and a hidden lash tabConvenient front, zippered entry and six adjustment points for a customized fitSpecificationsFabric: 400D Ripstop NylonWeight: 1.5lbsPerformance Level: Level 70Profile: MediumDesign Flotation: XS/M: 14.5lbs, L/XL: 16.75lbs, XL/XXL: 16.75lbsEntry System: Front ZipPockets: 2 Front PocketsLash Tabs: 1 FrontAdjustment System: 7 (4 Side, 2 Shoulder, 1 Waist)Certification: US Coast Guard & Transport Canada ApprovedSizingSizeChest (cm)Weight Range (kg)XS/M76 – 10640-60L/XL106 – 132>41XL/XXL127 – 142>41