With its huge footprint, the ARMA-SKIN Dolmen is the perfect bivvy for long enduro sessions. It can accommodate 2 to 3 Bedchairs plus equipment with ease and the generous height means you can even stand up inside. Supplied with a half winter skin as standard, a full winter skin is also available separately for added comfort in the most extreme conditions Arma-Skin Fabric. Hydrostatic Head 10,000 mm2. Breathable. Half winterskin incuded. Heavy Duty Groundsheet.