The split front panels give this lifejacket a very comfortable fit. Features include retro-reflective patches, whistle and crutch strap. A grab handle under the collar. Size 3-15 kg has a beaver tail design crutch strap with twin fastening points.Buoyancy 100 NewtonThe buoyancy of a lifejacket is measured in the Newton unit. A lifejacket must have sufficient buoyancy to keep the user's airways above the surface. The vests are divided into different classes depending on the amount of buoyancy, though the actual Newton's number may vary depending on the size of the vest.Quickly turns to safe positionThe product has more buoyancy on the front, which results in it quickly turning the user to a safe back position.1 splitThis product has a split in the foam material to achieve a better fit.Crutch strap includedProduct equipped with detachable crutch strap.Retro reflectiveThis product is equipped with retro reflectives for higher visibility.Whistle includedProduct equipped with whistle approved to EN ISO 12401.5 year guaranteeProduct with 5 year guarantee