Lightweight model of RING wing for diving with single bottle. The same double-shell construction but the cover is made of lighter material Cordura 1000. Also the bottle strap buckles and the inflator end-piece are made from lighter material - high quality techno-polymer. Can be used with single bottle 12 l. Low volume is ideal for diving in neopren in tropic seas. Part of the wing are also 2 pieces of rubber pins in the middle area of wing which allow to attach the single bottle WITHOUT the need to use single tank adapter.