Bright and bright color for better visibility. Polyester outer shell with closed foam for added buoyancy in the water Buoyancy: >75N Buoyancy material: EPE foam rubber Flexible fin naturally folds flat so one can sit comfortably in a boat or chair. Fin folds when bent back for active use and doubles as a swimming aid 4 1.5" wide strap Heavy-duty straps with Delrin quick-release buckles allow for an adjustable fit and easy fastening Material: Oxford Nylon Fabric and EPE Foam Technology allows for successful balancing of a person's center of gravity, This gives him greater control and stability when swimming. High quality nylon outer shell and inner fabric lining for maximum comfort The jacket also includes adjustable straps, ensuring that the jacket fits securely