FREE delivery on this Aqua M3 Bivvy There is a very good reason why this shelter is Aqua's number one selling product... its versatility. The M3 sets an industry benchmark that others strive to achieve, so if you only want one bivvy make it this one. It has unparalleled strength with the heaviest grade of Aquatexx® which has hydrostatic head ratings of over 14000mm, and the unbeatable Aqua-designed frame. The M3 comes complete with a heavy duty carryall complete with T pegs tension strap and window not to mention a brand new tension bar system featuring interlocking precision moulded nylon fittings. Features: • Aquatexx material • Mozzi door and window panels • 3 rib system • 2 break pole system • Full removable infill panel • Removable peak • Heavy duty groundsheet • Heavy duty pegs supplied • M3 weighs 6kg • M3 infill panel weighs 2kg • Groundsheet weighs 2.5kg • Pegs bag/frame support etc 1.5kg • Total weight 12kg Technical Info: The Aquatexx used for this product has reached a hydrostatic head of over 14000mm/H20 (mbar) in tests by an independent testing laboratory. What does Hydrostatic Head mean? In simple terms it is an accurate measurement of the water repellency of a material. Rain resistance is measured as a hydrostatic head in millimetres (mm). This indicates the pressure of water needed to penetrate a fabric. This is simulated, in a simple way by placing a tube onto a piece of the fabric to be rated. Water is steadily added until it forces its way through the material. Just before it penetrates the material is the hydrostatic head measurement. There are lots of factors that affect the Hydrostatic Head, heavy or wind-driven rain has a higher pressure than light rain, standing on a groundsheet increases the pressure on any water underneath, the pressure of rucksack straps on a jacket increases the pressure on the shoulders and so on... Fabric with a hydrostatic head of 1000 mm or less is best regarded as shower resistant, with 1500 mm being usually suitable for summer camping. Tents for year-round use generally have at least 2000 mm; expedition tents intended for extreme conditions are often rated at 3000 mm. Aqua M3 Bivvy
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