Highest Performance Materials Every life jacket we make is run through extensive testing to ensure it can endure conditions no one should ever encounter. UL Certificate Number: 20190509-MQ1927. We use the best materials for each product and potential scenario - from memory foam, to 3D mesh, to breathable polyester. We thought about every possibility so you don't have to. U.S. Coast Guard Approved You want the safety without the bulk. That’s what Bluestorm is about. With over 85 years of tradition guiding us, and the technology, precision and craftsmanship of Japanese heritage to ensure you always have the highest-quality products. Approved by the U.S Coast Guard in 2023, Approval Number: 160.076/8939/0 Ergonomic Neoprene Collar The Atmos's moisture-free design features an ergonomic neoprene collar with 3D mesh that prevents chafing and reduces moisture around the neck, so you can forget about your device until you hit the water. Key Features Cirrus 26 Stratus 35 Atmos 40 Arcus 40 US Coast Guard Approved ✓ ✓ ✓ ✓ Pounds (lbs) Of Buoyancy 26 35 40 40 Automatic Inflation ✓ ✓ ✓ ✓ CO2 Cylinder Gram Weight 24 33 38 38 Back-Up Oral Inflation Tube ✓ ✓ ✓ ✓ Adjusts To Fit Chest Sizes 30” To 56” ✓ ✓ ✓ ✓ Arming Indicator Window ✓ ✓ ✓ Zippered Closure System ✓ Best Use Case Great for inland / coastal rivers, lakes and causal fishing, boating kayaking, canoeing sailing. Not for PWC, water skiing or towables. Great for large bodies of water and offshore where rescue may not be close. Recommended for fishing, boating, kayaking, canoeing and sailing. Not for PWC, water skiing or towables. Great for the boating enthusiast that venture into open water or offshore where rescue maybe not be imminent. Recommended for enthusiast fishing, boating, sailing, Not for PWC, water skiing or towables. Great for the boating professionals and enthusiasts that are regularly traversing open or offshore waters where rescue maybe not be imminent. Recommended for experienced fishing, boating and sailing Not for PWC, water skiing or towables. Cirrus 26 Re-Arm Kit Stratus 35 Re-Arm Kit Atmos 40 Re-Arm Kit Arcus 40 Re-Arm Kit Compatible with: Cirrus 26 Life Jacket Stratus 35 Life Jacket Atmos 40 Life Jacket Arcus 40 Life Jacket CO2 Cylinder Gram Weight 24 33 38 38