The Sea To Summit Ether Light XR Insulated Regular Rectangular Wide Sleeping Mat provides the ultimate sleep experience in the wild. With its 10cm thick structure, this mat utilises Air Sprung Cell technology for plush, personalised comfort, with the flexibility to contour to your body. The Air Sprung Cell air pockets result in a sleeping mat that is thicker while saving weight, making it adventure-ready. The 4.1 R-Value and ThermalCore insulation tackle cold conditions, featuring a suspended TRM layer that redirects heat back to keep your body warm, while the PillowLock system ensures your pillow stays in place all night. Crafted with lightweight, durable 30D/40D fabric, this sleeping mat offers a quiet, cosy retreat wherever your adventures take you. The XPRESS valve features a one-way inflate port for worry-free inflation and user-friendly fine tune button to personalise the pressure. When you’re ready for your next destination, the rapid air-dump deflate port makes it easy to roll up and go without air re-entering.

Key Features:

  • 10cm Thick: For luxurious comfort in natural or rugged environments
  • 4.1 R-Value: For warmth during three-season use
  • Rectangular & Wide Design: Ideal for camping and backpacking in comfort
  • Air Sprung Cell Technology: Resembles a pocket-spring mattress with a material that’s both flexible and strong forming interconnected air chambers
  • Personalised, Supportive Feel: Disperses pressure evenly for a stable night’s rest and wobble-free comfort while adapting to your body
  • ThermalCore Insulation: Reflects your body heat back to you while remaining lightweight and ensuring a more compact packed volume
  • 30D/40D Fabric with TPU Lamination: Reduces sound and weight without compromising durability
  • PillowLock System: Keeps your Sea To Summit Aeros Pillow (not included) secure during the night
  • XPRESS Valve: Includes a one-way inflate port, fine-tune button and rapid air-dump deflate port
  • Stuff Sack: Keeping you primed for adventure, the included stuff sack contains PillowLock, integrated Airstream Pump and Repair Kit
  • Airstream Pump: Allows you to achieve inflation easily - less fuss, full inflation

Brand : Sea To Summit

SKU: S2ST-ASL051152-291703

Model # : ASL051152-291703

Barcode : 9327868162581  (AD-2)

Gender : Womens

Gender : Unisex

Gender : Mens

Length : Regular Wide

Shape : Rectangular

Insulated : Yes

Self-Inflating : No

Weight : 605g

Thickness : 10cm

Dimensions : 183 x 64cm

Packed Dimensions : 24 x 12 x 12cm

Free shipping on orders over $140 to Australia*
Shipping on small orders (under $140) only $9.95
Shipping on all orders to NZ only $9.95
Express shipping to Australia & NZ only $15

Standard Shipping (AU) – FREE on orders over $140 and $9.95 on orders under $140. Orders are dispatched within 1 business day. Click here for shipping delivery times

Select ‘Standard Shipping – Auspost Only’ if you would prefer your parcel is sent with Auspost. Otherwise it will be shipped with any of our available carriers. Auspost Only shipping is not available on some very heavy/bulky orders.

Express Shipping (AU/NZ) – Need it faster? Express Shipping is available for $15. Express Shipping is not available on heavy/bulky orders. Orders placed before midday on business days are usually dispatched same day (otherwise within 1 business day). Delivery times in the table below.

Click and Collect – Shop online and collect in our Milton, Brisbane store, free for all orders. Orders are usually ready within 2 hours (during opening hours). Click here for address and opening hours.

Terms and conditions apply, click here for a full overview of our shipping policies

Manufacturing defects covered, replaced or repaired if soon after purchase.

  • If you have selected the wrong product/size for you, or want to exchange/return for any reason except for warranty or our error, this is referred to as a 'change of mind' return.
  • Not all products are eligible for change of mind returns (click here for excluded products).
  • Once you submit a Return Request, we will provide return instructions via email (along with a prepaid return label if applicable). Please wait to receive this before returning any items (Try 2 Anything excluded)
  • Change of mind returns can be resolved by your choice of exchange, full store credit, or a refund. Refunds are subject to a $19.95 admin fee.

For a full overview of our returns and warranty policies, see Returns and Warranties

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