The Outdoor Research Alpine AscentShell is a lightweight, hooped bivy bag which incorporates breathable and waterproof AscentShell material.
The Outdoor Research Alpine AscentShell Bivy provides Alpine protection and all-night comfort without the weight.
The lightweight durability of Pertex® and breathable waterproof AscentShell™ makes for a faster and lighter solo shelter that you’ll take everywhere.
The tapered shape of the Alpine AscentShell Bivy works best with tapered shape sleeping pads with narrower dimensions at the foot, ideally 56cm or narrower.
Building on the reputation set by the cult-classic Alpine Bivy, this new version leverages AscentShell™ x Pertex® technology for a drastically improved breathability rating which leads to less condensation and a more comfortable sleep. Its step-in opening allows you step directly out of your boots and into your bed easier and without the fuss of shimmying. Extra large head space makes room for gear, and a no-see-um mesh comes in handy when the bugs are out for blood. This bivy is ideal for alpine pursuits, extreme weather, or anytime you want to skip the weight and space of a tent.
Product SKU: 287711
bluesign® approved AscentShell™ x Pertex® Shield Air Diamond Fuse 3L 100% Nylon Upper. 100% Nylon 40D with TPU lamination Floor. bluesign® approved 100% Polyester Mesh
528g with pole, 479g without pole
Weight EMS Office Scales:
502 grams + pole 53 grams + Stuff Sack 16 grams = Total Weight 571 grams.
AscentShell is an Outdoor Research exclusive, proprietary fabric that’s a waterproof, breathable three-layer fabric that broadens your comfort zone during aerobic effort throughout changing conditions. It’s created by an electro-spinning process where charged polymers are affixed to a grounded surface. Those polymers gather into a breathable membrane that, under a microscope, you can see forming a web that allows sweat vapours out but stops water from coming in.
This process also allows all AscentShell™ gear to be soft to the touch and keep a great mechanical stretch while remaining waterproof. That’s why we keep talking about Active Waterproof Stretch.
Today, you can find AscentShell™ in some of our best-selling and top rated Bivy Bags and hard shell jackets that run the gamut of outdoor activity.
Extended Christmas Returns
Gifts bought in November and December can be returned at any time up to the end of January. The usual returns polices apply. Please see below.
EMS shipping information UK.
All orders placed before 2.45pm Monday to Friday will be shipped the same day.
Orders placed after 2.45pm will be shipped the next business day.
Orders placed after 2.45pm Friday will be shipped on Monday.
No orders are shipped on Weekends or Bank Holidays.
EMS is a Plastic Free Retailer
From 1st June 2019 no new plastic has been used in any order shipments.
We now use recycled craft paper wadding, paper based adhesive tape, card boxes with recycled content and double wall paper bags for all of our order shipments. No new plastic is used at all.
We'll continue to reuse the bubble wrap and other plastic packing materials our suppliers send to us as reusing is still better than recycling.
Shipping Cost UK - Mainland:
All UK orders with a value of £60.00 or more are delivered FREE via 'Royal Mail 48 Tracked' post and should arrive in three to five working days.
For small orders of £59.99 or less we charge a very reasonable flat rate of just £5.00 using the same 'Royal Mail Tracked 48' service.
Premium Shipping Service Options:
If you would like your order delivered quickly via a premium service several options will be available at checkout.
'Royal Mail Tracked 24' costs £8.00 Delivery usually takes one to three working days.
DPD Next Day Courier Service costs £8.00. Your order is tracked and will arrive next Business day.
All UK Mainland orders over £195 are delivered FREE via DPD Next Business Day Courier. (Some Scottish Highland and offshore postcodes may be excluded and delivery to remote areas may take longer, but the delivery service will still be free of charge).
Shipping UK - Offshore:
If your order has a value over £60 then you still qualify for free shipping but there is not a next business day courier option. Please allow two to four days for all deliveries.
Shipping costs - E.U. and Rest Of World
All exports have been temporarily suspended until the covid situation and associated difficulties with stock and staff have improved.
The EMS website now has ‘Smart’ currency and sales tax (V.A.T.) function which automatically displays the most appropriate currency for your location and includes the V.A.T. for UK and European Union delivery destinations, but removes the V.A.T. for all ‘Rest of World’ delivery destinations (including Channel Islands).
You can also manually select your preferred currency from the selector button in the top right corner on every page.
For the most up to date shipping prices please add your items to the basket and proceed to the checkout where you will be able to enter your country.
If you can't find your country in the drop-down list please contact us for more information.
Typical Shipping Cost Examples:
Belgium up to 20Kg £15 – Product price displayed includes V.A.T for E.U. delivery.
Finland up to 2Kg £15 – Product price displayed includes V.A.T for E.U. delivery.
Australia up to 2Kg £25 – Product price displayed has V.A.T. removed for export. (Please note you might have to pay import duty if your order’s value exceeds the import allowance for your country).
Out Of Stock Items:
Out of stock items are marked as out of stock on the product page, however on very rare occasions situations beyond our control may result in an item(s) being temporarily unavailable.
For Items that are no longer available we endeavour to remove from our website as quickly as possible.
You will be contacted by email or telephone concerning any item(s) we are unable to supply. Out of stock items marked to follow will be sent automatically when they become available. We do not make additional charges for this service. In any case, we aim to deliver goods within a maximum time frame of no more than 7 days from receipt of order. If we are unable to do this, you will be contacted to make arrangements for any necessary refund to be issued.
Question: What is the EMS returns policy?
Answer: If you don't like it send it back for a refund.... no problem! Please read on for terms and conditions.
In line with current health and safety guidelines, we reserve the right to refuse any items that are (for whatever reason) not returned to us in a clean and hygienic condition.
Goods with manufacturing faults can be returned for a full refund (including delivery and standard return postal charges of up to £7.50) if the item, after later inspection by us, is proven to have been faulty and returned to us within 30 days from the date of purchase.
Please check all goods on arrival to ensure they have not been damaged in transit and report any damaged goods as soon as possible after receipt and within 14 days.
Please email or call and ask us which return service to use as we can only refund for the service we recommend.
Please note that inflatables such as sleeping mats are not considered as faulty if they become punctured during use and are not covered by the manufacturer's warranty in this event.
If the goods have been supplied as requested but are unwanted they can be returned within 30 days from receipt of goods for a full refund provided they have not been used and are in a resealable condition with all of the manufacturer's labels and packaging intact.
Items ordered in November or December as Christmas presents can be returned to us at any time in January.
If you would like to exchange for an alternative size we will supply replacements subject to stock availability. You will have to pay to have the goods sent back to us, but we won’t charge you any shipping for your first replacement item.
All items returned must be unused and with their original labelling and packaging intact (unless faulty).
How To Send Returns.
1). You will need a returns number and a returns address. Please use the 'Contact Us' form from the 'Contact Us' page (found in the footer of this page). Send us your order number and reason for return. We will issue a returns number and returns address for one of our UK warehouses. (Please Don't ship your returns to our office address in Cheltenham as we don't keep any stock there and there might not always be someone there to sign for your package).
2). For New and Unused returns please include all the Manufacturer's Packaging and Labels, otherwise we can't return the item to stock.
3). Carefully pack the product so it survives its journey and send it to the address we provide. We recommend a postal service with a signature on receipt.
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Privacy Payments Policy?
Your orders are sent to us via a Secure Page on our web site. This means that others cannot hack into your credit card details or obtain any other personal information from our order form.
We know of no documented case of credit card fraud using our shopping system over the Internet.
What about on line security?
Any personal information given to EMS will be protected. Your information will not be disclosed to any third parties. Our server will secure your personal information with up-to-date firewall and encryption techniques during the ordering process.
In order to protect customers to the fullest extent, EMS does not store your credit card information at any time. To assist you in recognizing secure areas of the website, a small lock icon will appear in the lower right-corner of your web browser**. When this icon is present, and in the locked position, you know that information on that page will be secured.
The prices payable for the items that you order are clearly set out on the web site. All prices are expressed inclusive of any VAT payable unless otherwise stated.
Orders delivered to countries outside of the E.U will have the VAT removed automatically, but you might be liable for import duty depending on your country’s import regulations.
Product information is included on the site and if there is anything that you do not understand, or if you want more information, please contact us by email or telephone.
The content of pages on our site is constantly updated yet may at times be out of date. We accept no responsibility for keeping the information in these pages up to date or liability for not doing so.
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EMS links to other websites in good faith and we do check these sites before adding a link. However we are not responsible for the privacy policies or content of these websites.