Advanced Fit System: Enhances Comfort, Boosts Mobility, Prevents Over-tightening Precisely Cut Foam Layers: Flexible, Pre-curved Shape for Perfect Body Conformity Body-specific Sizing: Adjusts Buoyancy for Optimal Comfort and Fit Soft Polyester Lining: Comfortable, Moisture-wicking Easy Side Access: Customizable Fit with Shoulder, Side, and Waist Adjustments Room Clamshell Pocket: Organizes Essentials, Keeps Gear Secure Versatile Hand Warmer Pocket: Stows Webbing, Gloves, and More Strategic Lash Tab: Reduces Snags, Allows Light/Strobe Attachment 3M Reflective Trim: Enhances Low-light Visibility Silicone-coated Waistband: Keeps PFD in Place During Swimming Dual Approved: Meets US and Canadian Safety Standards From novice to expert, the NRS Ninja Lifejacket ensures ultimate comfort and exceptional athletic performance. Its focused flotation and superior, low-profile fit moves seamlessly with you, remaining secure even in rough waters.