SKU: 98781731149

Sea To Summit Frontier UL Collapsible Cup - 12oz

Sale price$13.46 Regular price$14.95
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Ships within 48 hours · Estimated delivery Jul 14 - Jul 19

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Description

Sea To Summit Frontier UL Collapsible Cup - 12ozBuilding on over a decade of experience in collapsible drinkware, the Frontier Collapsible Cup has been engineered to be sleeker, more ergonomic and lighter. Glass reinforced nylon 66 is used for the base, rim and center ring providing more stability and allowing you to grip the cup more easily. EU food grade silicone rubber sidewalls let the cup shrink down to less than 2cm in height. Designed to nest stack, these cups really do fit in anywhere Best

Building on over a decade of experience in collapsible drinkware, the Frontier Collapsible Cup has been engineered to be sleeker, more ergonomic and lighter. Glass reinforced nylon 66 is used for the base, rim and center ring providing more stability and allowing you to grip the cup more easily. EU food grade silicone rubber sidewalls let the cup shrink down to less than 2cm in height. Designed to nest/stack, these cups really do fit in anywhere...

Best Use: Backpacking

Features

  • Collapses flat to less than 2cm thick - Frontier Cups fit into your pocket (and fit your lifestyle)
  • Made from BPA-free, food-grade silicone, with nylon rings to maintain shape and shield fingertips from heat
  • Base, rim and center ring made of light-yet-durable glass-reinforced nylon 66
  • Weighing a mere 54g, this 355ml, space-saving cup takes lightweight functionality to a new level
  • Nests with other Frontier Dinnerware and the 2L Pouring Pot
  • Sea to Summit Guarantee is offered for the Lifetime of this product

Awards

2023 AUSTRALIAN GOOD DESIGN AWARD GOLD WINNER

Our Frontier Camp Kitchen Collection was awarded GOLD at the Australian Good Design Awards. These awards, recognised by the World Design Organization (WDO) as Australia’s peak international design endorsement program, celebrate the pinnacle of design and innovation. This achievement underscores our continued dedication to innovation and commitment to enhance user experience through quality product design.

Tech specs

Weight 1.9 oz
Dimensions 4.0 x 4.0 x 3.5 in
Depth 3.5 in
Volume 400 ml

Material(s)
Glass-reinforced nylon and food grade silicone rubber.

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: 98781731149

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4.2 ★★★★★
Based on 349 reviews
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Lauren
New York, US
★★★★★ 5
Great fit, truly doesn’t slide off heel
Number of Items: 3, Color: White/Neutral (3-pairs), Size: Medium, Number of Items: 3, Color: White/Neutral (3-pairs), Size: Medium
I’ve scoured all the lands looking for a no-show sock that was 1) thin, 2) quality, soft, breathable material, 3) didn’t dig into my feet/heels, 4) doesn’t shrink, and most importantly 5) stays on the back of my heel without a bulky non-slip rubber piece and these check all the boxes! Perfect for low profile women’s work shoes like Keds, etc. Not low enough for most flats though. I wear a women’s size 9.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 19, 2025
E
Verified Purchase
Elliz
Lexington, US
★★★★★ 5
So good - I’m buying MORE.
Number of Items: 3, Color: White (3-pairs), Size: Medium
I’m gonna give you more detail than you need about why I’m buying these socks again. I’ve been the mom of girl athletes. I’ve been a model and a fashion director. I’ve worn every brand of shoe on the planet and never found a shoe that did NOT find a vulnerable spot on my foot to rub raw. Even my beloved white Jack Purcell sneakers. With that said - I don’t like socks. I’ve bought a TON of them in 35+ years.....all major brands. They shift. They lose their shape. They get holes in them and wear out too fast. Not these. I retired this year, and knowing I’d be in sneakers a lot, traveling, sightseeing ...... I bought these 6 months ago and have worn them constantly. I’ve traveled with them. I’ve washed them in hot water and bleach. The socks are like brand new. They are exactly the right cut so as not to be seen in a basic sneaker. The little silicone patch on the heel stays put. Not once have I had to dig down into my shoe and pull the sock back up. The socks have stayed soft and EXACTLY the same as the day they were new. Like I said - I am back to buy them again. Great quality!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 20, 2021
J
Verified Purchase
Judy Fletcher
Whiting, US
★★★★★ 5
No slip low socks
Number of Items: 3, Color: Black/White (3-pairs), Size: Medium
Perfect! ❤️ these!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 16, 2026
S
Verified Purchase
Susan
Lowell, US
★★★★★ 4
Stay put!
Number of Items: 3, Color: White/Neutral (3-pairs), Size: Medium
Nice and thin, soft, and stay put. I wear an 8 shoe and don’t like a thick sock taking up room. These socks are a bit tight on big toe. Wish they came in large.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 10, 2023
S
Verified Purchase
Stephanie Robnett
Pawtucket, US
★★★★★ 5
The best
Number of Items: 3, Color: White/Neutral (3-pairs), Size: Medium
The best no show socks I have found. Stay in place very well and hold up wash after wash. I have tossed all the other brands I’ve bought over the years and stocked up on these as I was tired of digging through the drawer hoping to find a clean pair.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 8, 2024

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