SKU: 79972644674

Sea To Summit Ultralight SI Sleeping Mat Large

Sale price$161.95 Regular price$179.95
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Shipping Estimate
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Ships within 48 hours · Estimated delivery Aug 26 - Aug 31

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For Your Every Summer RSVP, with Code: SUMMER15

Description

Sea To Summit Ultralight SI Sleeping Mat Large"Light and packable for minimalist fast hikes" Our Ultra light S. I. Sleeping Mat is for ultra light hikers who can't go past the tried and true self inflating foam mats. The 2. 6 R value provides the insulation needed through the shoulder seasons while the memory foam means you don't have to exert yourself inflating your mat at the end of the day. The only mat in our S. I. range to come in an extra small size, it's easily fits into your ultra light

"Light and packable for minimalist fast hikes" Our Ultra light S.I. Sleeping Mat is for ultra-light hikers who can't go past the tried and true self-inflating foam mats. The 2.6 R-value provides the insulation needed through the shoulder seasons while the memory foam means you don't have to exert yourself inflating your mat at the end of the day. The only mat in our S.I. range to come in an extra-small size, it's easily fits into your ultra-light pack. All of our S.I. mats use the first ever, multi-function single valve designed specifically for self-inflating mats. No more fighting re-inflation as you try to roll up your mat!

FEATURES

  • Delta Core-V Technology
  • Anti-slip print on base of mat, helps hold your mat in place when camping on sloping ground is unavoidable
  • Lightweight 30D polyester with extrusion laminated TPU used on top and base
  • Small vertical Delta Cores in body contact areas (shoulders, hips and feet) keep you warmer
  • Larger vertical Delta Cores in non-body contact areas reduce the mat's weight and bulk
  • 2.6 equivalent R-value

TECH SPECS

Weight
L: 720g
Dimensions
L: 198 x 64 x 2.5cm
Material

Outer: 100% Nylon with TPU Lamination
Insulation: 100% Polyester
Valve: 100% TPU
Valve Flap: 100% Silicone
Stuff sack: 100% Polyester

Packed dimensions
L: Ø14.1 x 33cm
Thickness

2.5cm

R-value

2.6

MENTION IN THE COMMENTS IN THE CHECKOUT SECTION THAT YOU ARE A CADET AND WE WILL THROW IN A FREE GIFT FOR ORDERS OVER $50

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 79972644674

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★★★★★ 5
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Reviewed in the United States on March 3, 2026
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Mary Penns
Louisville, US
★★★★★ 1
Not able to get the support from customer service the company insured me.
Model: SG1000
This isn’t the printer I hoped for. This printer has totally disappointed e
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Reviewed in the United States on October 30, 2025
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Mrs. JP
Belleville, US
★★★★★ 5
Great product.
Model: SG1000, Model: SG1000
So far its been a heaven sent! Great results.
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Reviewed in the United States on December 17, 2025
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James Adams
Lowell, US
★★★★★ 4
Top Printer
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This printer is strictly a Sublimation printer. It is not for regular printing. Once it is set up, it works really great and provides good quality prints. The drawbacks are.... the ink cartridges are pretty expensive. And it is somewhat of a challenge getting it set up and ready to use. It will not work unless it is connecting directly through a 2.4ghz signal. If you can work through those challenges, it is a great printer.
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Reviewed in the United States on September 24, 2025
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Dominique H
Charlottesville, US
★★★★★ 1
Stay away
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This company sucks, product sucks, customer service sucks i can’t say anything good about this brand at all. I went through 5 of these expensive paper weights in the last 3 years.
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Reviewed in the United States on March 9, 2026

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