Buoyancy: 150 N Colour : Black Weight : + 40 Kg Chest size : 55-130 Cm HYDROSTATIC release for maximum safety UML Prosensor automatic trigger Removable subcutaneous strap + Firing pin status window Heavy-duty ripstop outer fabric. Zip fastening. All straps in polyester. Short cut + fabric back for improved ergonomics and ease of donning. Mesh collar for greater comfort. Studs for attaching to a jacket D-shaped stainless steel buckle for retrieval. Supplied in a mesh bag.