Sierra Designs NITRO 800F 20 Deg Sleeping Bag
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Sierra Designs NITRO 800F 20 Deg Sleeping Bag
Sierra Designs NITRO 800F 20 Deg Sleeping Bag
Simple construction and a classic mummy bag shape are the hallmarks of one of our best-selling sleeping bags for backpackers who put a premium on low weight, incredible comfort and straightforward tech. The Nitro 20 sleeping bag is designed with durable nylon ripstop and insulated with 800-fill, hydrophobic DriDownâ„¢ to keep you toasty warm, even on damp nights. A draft collar seals in the heat when moving around, and sidewall baffles prevent the down from shifting and causing cold spots, but our patented self-sealing foot vent provides relief to hot sleepers without the need to kick off the covers. Top it off with an anti-snag zipper to eliminate sleepy struggles and take greater comfort with this intuitive mummy bag.
Features:
- PFC-Free 800FP Dridown and 15d nylon fabrics / ultralight weight
- Patented Self Sealing foot vent / fast and easy ventilation
- Draft-dodger collar / helps prevent drafts
- 5" baffle spacing and side wall baffles / helps to keep down from shifting keeping you warmer
- Anti-snag zipper tracks / makes getting in and out easy
Specifications:
- EN Limit Temp Rating: Â 17F / -9C
- EN Comfort Temp Rating: Â 28F / -2C
- Fill Weight: 14.7 oz / 418 g
- Minimum Weight: 1 lb 15 oz / .88 kg
- Fits Up To: 6' 0" / 183 cm
- Length: 78" / 198 cm
- Shoulder Circumference: 62" / 157 cm
- Hip Circumference: 56" / 142 cm
- Footbox Circumference: 40" / 102 cm
- Mesh Storage Bag Size (L x W): 20" x 12" / 51 x 31 cm
- Stuff Sack Size (L x W): 15" x 7.5" / 38 x 19 cm
Materials:
- Insulation: 800FP PFC-Free Dridown
- Shell Fabric: 15d nylon ripstop
- Liner Fabric: 15d nylon ripstop
Delivery
We aim to dispatch all in-stock orders within 1 working day (Monday–Friday, excluding Bank Holidays).
Free UK Mainland Delivery on orders over £30
- Orders placed before 2pm are dispatched same day where possible
- Orders placed after 2pm are dispatched the next working day
- Orders placed after 2pm Friday or over the weekend ship on Monday
- Orders under £30 are charged £3.95
Oversized & Remote Areas
- Large items (e.g. surfboards, sit-on-top kayaks): £19.95
- Some UK postcodes (Highlands & Islands) incur a £15 surcharge
International Delivery
- EU delivery from £20 (3–7 working days)
- Rest of world from £35 (3–7 working days)
Local VAT, customs duties, or import charges may apply to international orders and are the responsibility of the customer.
Returns FAQs
Can I return an item if I change my mind?
Yes. You can return your order within 14 days of delivery. Items must be unused, in original condition, with all packaging and tags intact.
How do I start a return?
Email info@s2as.com with your order number and reason for return. We’ll reply with return instructions.
How long do I have to return an item?
Let us know if you would like to return your item within 14 days. Once you’ve notified us (within 14 days), you have a further 14 days to return the item, so 28 days in total.
Do I need to pay for return postage?
Yes. Return postage costs are the responsibility of the customer unless the item is faulty or incorrect.
Will I get a refund for the original delivery cost?
Original delivery costs are non-refundable for unwanted items. Faulty or incorrect items will receive a full refund including original delivery costs.
What if my item is faulty or damaged?
Please contact us as soon as possible with photos. If confirmed faulty, we’ll arrange a replacement or full refund.
When will I receive my refund?
Refunds are processed within 5 working days of us receiving and inspecting the return. Banks may take additional time to show the funds.
What if my return is lost in transit?
Returned items remain the customer’s responsibility until received by us. We recommend using a tracked service.
Can I exchange an item?
Yes. Let us know when you contact us and we’ll do our best to arrange an exchange.
Contact
Email: info@s2as.com
Phone: 01202 738 448
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Price Match
At Surface 2 Air Sports (S2AS), we believe you shouldn’t have to choose between the best price and the best service. If you find the same product cheaper elsewhere from an authorised UK retailer — we’ll match it.
How Our Price Match Works
- Find the identical product at a lower price (UK authorised retailer).
- Send us the details using the form below before checkout.
- We’ll verify it and confirm quickly.
Price Match Conditions
- Product must be identical (brand, model, size, colour, year).
- Competitor must be a UK-based authorised retailer.
- Item must be in stock and available for immediate purchase.
- Competitor price must include VAT and delivery.
- Request must be made before completing your order.
What We Don’t Match
- Marketplace sellers (Amazon, eBay, Facebook Marketplace).
- Private sellers or clearance errors.
- Members-only, bundle, or finance-only promotions.
- Used, refurbished, or ex-display items.
Found a Better Price?
Send us the details and we’ll take care of the rest.
Price Match Request Form
Price Match FAQs
How long does a price match take?
Most requests are reviewed within one business day, often faster during opening hours.
Do you price match after purchase?
No — all price match requests must be submitted before checkout.
Does the competitor have to be UK-based?
Yes, the retailer must be UK-based and an authorised brand stockist.
Does shipping count in the price?
Yes — we compare the total price including VAT and delivery.
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Price Match Contact Form
Found an item cheaper elsewhere? we want to know send it to us, So we can look at matching the price for you with the Service you expect from S2AS.
