Rab Men's Storm Bivi

Product Information

That got us thinking though, that we’re looking at every possible item from Rab so it would be good to narrow our search down even further and only look at Rab branded products within the shelters & bivis category. The cost of Rab shelters & bivis It’s certainly a distinctive product due to the high, clam-shaped opening at its head, which utilises a single arcing pole to create a high (for a bivvy bag) ceiling. This makes for easy entry and exit and gives the user plenty of head space – after all, no one wants a claustrophobic bivvying experience. To put into perspective how waterproof this fabric is, the hydrostatic head of your average tent flysheet (basically, the amount of water it'll withstand before allowing it to pass through) is around 3000mm - the Storm Bivi's is 10000mm. There are two options for sealing the bivvy: you can either zip up the mesh panel or you can pin the mesh panel up with a toggle and zip the whole thing closed. Unlike many other bivvy bags, it doesn’t taper at the foot end, so it’s good for those who don’t like the feeling of being in a mummy bag. It also has a reinforced brow, to help keep the bivvy off your face, which makes things so much more comfortable on a wet night. According to North Face, the DryWall single skin also ‘provides unparalled single-wall breathability’. At 420g, the Assault Bivy is not the lightest, and for some it might seem just too big. But, if you’re after a top quality, waterproof bivvy bag with extra space for your boots and bag, then look no further. The Rab Storm Bivi is a lightweight, breathable, waterproof bivi designed to wrap around a sleeping bag, offering optimised protection from the elements.

layer Ripstop nylon upper / 10,000 mm hydrostatic head / 10,000/m2 breathability / width: Shoulders – 80 cm; Foot – 50 cm

Performance Comparison

Fancy it? If you do, then you’re in the right place. We’ve done the hard work for you, putting several products – ranging in design, style, size and price – through their paces on wild camping trips to Scotland, the Brecon Beacons and the Lake District. So, whether you’re looking to venture into bivvying for the first time or if you’re a seasoned pro at sleeping under the stars, there’s something for everyone here. The Best Bivy Bags Tested by Our Team This new version of the Helium, released only this year, comes in 14% lighter than the previous generation, and from what we can see there’s been no downgrade in performance either. Ripstop outer with 5000mm hydrostatic head / 5000g/m2 breathability / 70D Ripstop floor / 8.5mm aluminium poles / supplied with ultralight alloy pegs.

There are however some methods that you can use to determine a product’s quality without needing to physically have it. Another factor that can be a great indication of product quality is the brand. Brands like Rab are of course extremely well known, especially for shelters & bivis. As Rab’s cheapest and lightest bivvy, this is well suited to campers looking to ditch the tent for the first time. The Trailhead is crafted from hardwearing 40 Denier ripstop nylon with a breathable yet waterproof polyurethane coating on both its top and base. This durable combination ensures that any rain is kept at bay, while a zipped mesh vent enables appropriate ventilation. All seams are taped, completing what is an impressively watertight product. The material the product is made from is often a sign of the quality for shelters & bivis. Take a look at the product details over at Cotswold Outdoor to get a feel for this. ripstop nylon with PU coating / fluorocarbon free DWR / 10,000mm hydrostatic head / 10,000 MVTR / taped seams / snap opening and stiffened peak.

The Storm Bivi is constructed with a breathable 40D ripstop nylon on top and 70D nylon at the base, with a PU coating for rugged, waterproof protection. The fabric is treated with a fluorocarbon free durable water repellent (DWR) which helps to create extra resistance against elements like rain and wind, whilst being a more sustainable choice than your average bivi. Fluorocarbon free finishes are much more eco friendly as they don't use any chemicals that would cause harm to the environment. That’s why we’ve pulled together this list of key factors for Rab Storm Bivi below, to help you choose if it’s the right product for you and your budget. A robust and protective, breathable bivi, providing minimalist refuge from any storm. Featuring waterproof fabric and a spacious design to accommodate bulky clothing or large sleeping bags, the Storm Bivi is designed for use in all conditions.