Sea to Summit Comfort Plus SI Sleeping Mat

Delta Core-V technology

Delta Coring V technology removes 20% of the weight and bulk of the polyurethane foam of a Self-Inflating mattress, while maintaining comfort and insulation. Our unique approach uses sophisticated pressure-mapping data to create the blueprint for our distinctive graduated core pattern. Where extra warmth and support is...

$219.95 $175.96
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$175.96

Delta Core-V technology

Delta Coring V technology removes 20% of the weight and bulk of the polyurethane foam of a Self-Inflating mattress, while maintaining comfort and insulation. Our unique approach uses sophisticated pressure-mapping data to create the blueprint for our distinctive graduated core pattern. Where extra warmth and support is needed for the body contact areas—shoulders, hips and feet—the core holes are smaller. In the less critical areas, we have removed more foam to minimise the weight and packed size.

Delta Core technology

Delta Core-V technology is used in our Ultralight SI and Camp mat SI models.
The Delta Coring technique is a truly innovative approach to reducing the weight and bulk of the polyurethane foam core of our Self-Inflating mattresses. Our patent pending coring process removes 40% of the initial volume of the PU foam, retaining enough for optimal support and comfort, while minimising the packed weight and size of the final mattress. Importantly, this coring technique has the additional benefit of keeping the top and bottom surface of the PU foam completely intact. This ensures consistent warmth along the full length of the mattress, avoiding the vertical holes or frame-like gaps that have traditionally allowed warmth to leach downwards. The full foam surface also provides significantly improved bonding of the foam to the shell fabrics of the mattress, thereby greatly reducing the chance of delamination. The shape and size of the Delta CoresTM are adjusted across the different thicknesses of our mattresses to ensure strength and durability, while still giving the user excellent support and self-inflating performance. The horizontal Delta Coring technique is used in our Comfort Light SI, Comfort Plus SI and Comfort Deluxe SI models.

 

A multi-function valve specifically designed for self-inflating mats

We have literally put a new twist on our very successful multi-function valve so it specifically addresses the inherent characteristic of self-inflating mats—that is, the problem of the foam trying to re-inflate as you’re packing up. We’ve engineered the “one-way” inflation valve to be reversible and used to prevent the mat from drawing air back in. This allows you to roll the mat up as small as possible without fighting re-inflation as you go. This patent-pending valve design has the same slim profile, faster inflation than traditional screw valves, easy pressure fine-tuning and super-fast deflation rate as our air mattresses and pillows.

Features:

  • Thicker, lighter self inflating mattress with Delta Cores
  • Multi-functional, high flow-rate valve
  • Maximised comfort and warmth for cool-climate treks
  • Anti-slip print on top and base of mat helps hold your mat in place when camping on sloping ground
  • Top is a luxurious 30D stretch knit fabric for a soft next to skin feeling

 

  • Light weight 30D polyester with extrusion laminated TPU used on base

*Please note : Delta Core mats may require a few extra breaths to completely inflate firm*

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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