The Ultimate is fitted with a status window so you can check the colored indicators that the lifejacket is ready for use. The collar has a detachable fleece liner for comfort even when wearing foul weather clothing. The wide and comfortable crutch strap can be stowed away when not required. Fitted with a quick release waistband. Six retro-reflective patches, whistle and lifting becket . Four toggles are also fitted three to attach the lifejacket to foul weather clothing the other to attach the optional spray hood. Optional extras: SLX lifejacket light 2401, Spray hood 2516. Automatic reaming requires 33grams CO2 cylinder Part no 2433 and Automatic cartridge part no 2520.