Our BC1 is a rugged, weight-integrated, back inflation BC designed with the advanced military/public safety diver in mind. It crosses over nicely to many technical, and specialty applications. Despite its heavy duty construction, it provides amazing comfort, fit and stability. Sizes from SM to XL available. CE approved (EN 1809) Modular (Removable Back Pad & air cell replacement possible.) Adjustable chest and shoulder straps. Donut shape so that air can migrate side to side. Heavy duty non-swivel shoulder buckles (patented). Integrated weight system Sure Lock(TM) (14,5 kg ditchable, 4,5 kg no ditchable). All sizes have a lift capacity of 23 L (51 lbs)