SKU: 74029097603

Sea To Summit Ultralight Women's SI Sleeping Mat Regular

Sale price$134.95 Regular price$149.95
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Ships within 48 hours · Estimated delivery Jul 19 - Jul 24

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Description

Sea To Summit Ultralight Women's SI Sleeping Mat RegularDesigned to meet the unique needs of female physiology, our Womens Ultra Light S. I. Mat provides increased warmth and sleeping comfort in a small and light package. The foam used in our Womens specific Delta Core V graduated pattern uses a mix of smaller holes and solid foam under core body zones for extra warmth where women often feel the cold most. Featuring a womens specific shape that is wider at the hip and narrower at the shoulder, the anti

Designed to meet the unique needs of female physiology, our Women’s Ultra Light S.I. Mat provides increased warmth and sleeping comfort in a small and light package. The foam used in our Women’s specific Delta Core-V graduated pattern uses a mix of smaller holes and solid foam under core body zones for extra warmth where women often feel the cold most. Featuring a women’s specific shape that is wider at the hip and narrower at the shoulder, the anti-slip print on the top and base of the mat holds it in place when camping on sloping ground is unavoidable. Made from lightweight 30D polyester with extrusion laminated TPU, it packs down incredibly small for minimalist adventures.

FEATURES

  • Women’s specific Delta Core profile developed to create warmer core body zones
  • Wider at the hip and narrower at the shoulder
  • Multi-function, high flow-rate valve
  • Larger vertical Delta Cores in non-body contact areas reduce the mat’s weight and bulk
  • Anti-slip print on top and base keeps it in place
  • Lightweight 30D polyester with extrusion laminated TPU used on top and base
  • Pillow Lock attaches your Aeros pillow to your mat, holding it in place for a slip-free sleep

TECH SPECS

Weight

R: 545g

Dimensions

R: 170 x 53 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

R: Ø13.4 x 27cm

Thickness

2.5cm

R-value

2.9

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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: 74029097603

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Nimby5956
Omaha, US
★★★★★ 5
Quality Product
Style: SPF 50, Size: 6 Ounce (Pack of 1)
Have been using this for years. Love this product. Works great.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 9, 2026
J
Verified Purchase
Jaqueline Campos
Massapequa, US
★★★★★ 5
Good sunscreen, but the shade didn’t work for me
Color: Medium
I bought the Colorescience Flex in Medium because I had seen great reviews and liked the idea of a tinted mineral sunscreen. The formula itself felt really high quality and it did provide good sun protection, but the shade didn’t end up working for my skin tone. ✔️ What I liked: - Great daily mineral sun protection. - Lightweight texture and easy to apply. - Didn’t irritate my skin or cause breakouts. - Nice natural finish at first. ❌ What I didn’t like: - On my skin, the Medium shade looked orange. - The color didn’t blend well with my undertone. - I had to work it in quite a bit to avoid a noticeable line with my neck. I think the formula is really good, but the shade selection definitely requires care. In my case, it just wasn’t the right match
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
S
Verified Purchase
Sasha
Port Orchard, US
★★★★★ 5
Finally found my perfect match!! In foundation!
Color: Medium, Color: Medium
I’ve used many high-end foundations over the years, but Colorescience has become my everyday favorite. It feels incredibly lightweight on the skin and provides a natural, healthy-looking finish that doesn’t feel heavy or cakey. The added SPF is a huge bonus and makes my morning routine so much easier. I also love how perfectly it matches my skin tone, it blends seamlessly and looks like my skin, just more even and polished. If you prefer a natural, lightweight foundation with the added benefit of sun protection, this one is definitely worth trying.
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Reviewed in the United States on June 5, 2026
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Verified Purchase
Brittanie Lynn
Carnegie, US
★★★★★ 5
Worth the investment! It lasts!!
Color: Medium, Color: Medium
I have been using this religiously as my foundation for over a year! I love it. It works best for me when I use moistuzer, let it dry enough so you have a little slip. A LITTLE goes a long way and double check the bottle because even when it feels empty it’s not fully empty :) it’s not a full coverage approach to foundation I use an elf glo setting over it in winter . It’s light weight and the SPF was what I was looking for!
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Reviewed in the United States on May 8, 2026
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Verified Purchase
Jennifer M
Draper, US
★★★★★ 5
Expensive, but a good product!
Color: Fair
Love this product. Comes out of the tube white but changes color as you apply. I find you do need moisturizer on your face to get a smoother application - I tend to mix it with my moisturizer before applying and it works well. Am currently on my 3rd tube of the stuff. A bit pricey, but for my skin it sits better than most other products I've tried and doesn't make me break out or look shiny.
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Reviewed in the United States on May 31, 2026

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