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Overview

The Sea to Summit Ether Light XR Insulated ASC Sleeping Mat – Large (ASL051152‑321705CA) is an ultralight yet plush insulated air pad engineered for cold-weather adventures. At 10 cm (3.9 in) thick, its Air Sprung Cell construction delivers a comfortable, stable sleep surface, while ThermalCore insulation—using reflective TRM layers—provides an ASTM-tested R-value of 4.1 for reliable 3-season warmth.

Sea to Summit Ether Light XR Insulated ASC Sleeping Mat - Large (ASL051152-321705CA)

Model: Ether Light XR
Web Code: 19362347
Sold and shipped by | 4.5 seller rating (45 reviews)

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Seller Return Policy

Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

• 10 cm (4 in) thick Air Sprung Cell construction delivers a cushioned, stable sleep surface.

• ASTM-tested R-value of 4.1, ideal for 3-season to light winter use

• ThermalCore insulation with internal TRM layers reflects and retains body heat for enhanced warmth.

• Integrated Airstream pump sack makes inflation fast and hygienic (no mouth inflation needed).

• High-flow XPRESS valve enables quick inflation, fine-tuning, and deflation.

• Durable construction with reinforced welds and premium 30/40D laminated nylon

Product Condition
Brand New
Accessory Type
Other Accessories

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

Free standard shipping on all orders.

Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

Shipping is not available in the following areas*:
  • British Columbia (Remote)
  • Alberta (Remote)
  • Saskatchewan (Remote)
  • Manitoba (Remote)
  • New Brunswick (Remote)
  • Nova Scotia (Remote)
  • Prince Edward Island (Remote)
  • Newfoundland and Labrador (Remote)
  • Yukon
  • Northwest Territories
  • Nunavut
*Please note: Shipping area restrictions may vary for large items. If an item can't be shipped to your address, we'll let you know during the checkout process.
See our return policy to find specific return information for this product and steps on how to return by mail.