Comparison

Yeti Hopper Flip 18 vs RTIC Ultra-Tough Soft Cooler (2026)

Two 30-can-class zipper soft coolers. OutdoorGearLab measured similar can counts; the Yeti held temperature longer in that September 15, 2026 test, and costs more. The Guardian’s August 10, 2026 portable-cooler test named the Flip 18 best overall.

By the PickedOutdoors Editorial TeamLast updated Prices & specs checked Nov 2026

Heads up: PickedOutdoors is reader-supported. Some links here are affiliate links, so we may earn a commission if you buy through them, at no extra cost to you. Commissions never decide what we recommend. As an Amazon Associate we earn from qualifying purchases. How we make money.

How this page was made: this is a research-based guide built from manufacturer spec and pricing pages and the findings of the reviewers we name and link. We haven’t field-tested these products ourselves, and we don’t give scores. How we pick.

Quick answer

Choose Yeti Hopper Flip 18 ($300) if you want the longer ice life in OGL’s September 15, 2026 soft-cooler test, or The Guardian’s August 10, 2026 best-overall pick. Choose RTIC Ultra-Tough Soft Cooler (30-can) ($129) if you want a 30-can official RTIC at $129 or you will accept shorter ice life in that same OGL test.

Last updated Prices checked Nov 2026

Check Yeti Hopper Flip 18 price (opens in a new tab)Check RTIC Ultra-Tough Soft Cooler (30-can) price (opens in a new tab)

Key facts at a glance

Key facts (prices checked Nov 2026)
Yeti Hopper Flip 18RTIC Ultra-Tough Soft Cooler (30-can)
Price we can cite$300 list in OGL’s Sept 15, 2026 test and in The Guardian’s Aug 10, 2026 test (Yeti.com 403)$129 on RTIC’s official page (top of the 30-can page we fetched), and $129 in OGL, Switchback, and CleverHiker
Cans / volumeOGL: 30 cans measured; 16.4 L. Guardian: 30 twelve-ounce cansOGL: 30 cans measured; 18.0 L. Official RTIC page is the 30-can size. Switchback: 30 cans with ice. CleverHiker: 30-can, 14 qt
Insulation tests (different protocols)OGL: 2.4 days below 40°F; 2.6 days below 50°F. Guardian used a 24-hour, 76°F protocol and placed the Flip 18 in its top tier (only three models performed better in that test)OGL: 1.8 days below 40°F; 2.0 days below 50°F. Switchback table lists 48 hours claimed ice retention and says claimed times are often about half in real use. CleverHiker: four days for ice to fully melt in a California high-desert test; after five days, 40–50°F
Weight4.4 lb in OGL’s test; 4.50 lb in The Guardian’s testOGL measured 3.7 lb; official RTIC 30-can page, Switchback, and CleverHiker list 4 lb empty
Dimensions16.5 × 11 × 13 in in OGL’s testOfficial: 15.5 × 12.75 × 11.5 in; OGL measured 15.6 × 12 × 12.8 in

We compared these soft coolers using OutdoorGearLab’s Best Soft Coolers test, updated September 15, 2026; The Guardian’s[3] portable-cooler test published August 10, 2026; Switchback Travel’s Best Soft Coolers guide, last updated October 30, 2026; CleverHiker’s RTIC Soft Pack review, published July 19, 2025; and RTIC’s official Ultra-Tough Soft Cooler page for the 30-can size (fetched November 10, 2026). Yeti’s official Hopper Flip 18 page returned HTTP 403, so we do not quote official Yeti copy. We haven’t ice-tested these bags, and we don’t give scores. Confirm the exact size — RTIC sells more than one Ultra-Tough size — and today’s price before you buy. Switchback also reviewed a Hopper Flip 12; that is a different size, and we do not treat those Flip 12 figures as Flip 18 specs.

Choose the Hopper Flip 18 if ice life is the priority: OutdoorGearLab’s September 15, 2026 soft-cooler test lists it at $300, 30 cans measured, 16.4 L, 2.4 days below 40°F and 2.6 days below 50°F, 4.4 lb, and a zipper closure; it was a top insulation performer in that test. The Guardian’s[3] August 10, 2026 portable-cooler test also named it best overall, at $300, 30 twelve-ounce cans, and 4.50 lb, in a different 24-hour protocol at 76°F. Choose the RTIC 30-can Ultra-Tough Soft Cooler if price matters more: RTIC’s official 30-can page we fetched lists a 15.5 × 12.75 × 11.5 in size and 4 lb empty (the page also displayed $129 at the top when we fetched it); OGL lists the RTIC Soft Pack 30 at $129, 30 cans, 18.0 L, 1.8 / 2.0 days, 3.7 lb measured, and a zipper it called difficult. Switchback Travel, last updated October 30, 2026, and CleverHiker, published July 19, 2025, also list the RTIC 30-can at $129 and 4 lb. We could not fetch Yeti.com (HTTP 403), so the Hopper price is OGL’s and The Guardian’s list price, not an official Yeti page. These ice-life figures come from different protocols; we do not merge them into one winner.

Yeti Hopper Flip 18
RTIC Ultra-Tough Soft Cooler (30-can)

Yeti Hopper Flip 18 vs RTIC Ultra-Tough Soft Cooler (30-can): side-by-side

OGL figures are from the soft-cooler test updated September 15, 2026. Guardian figures are from the August 10, 2026 portable-cooler test (24 hours at 76°F, ice equal to a quarter of each cooler’s 12 oz can capacity). Switchback last updated October 30, 2026. CleverHiker published July 19, 2025. RTIC official dimensions and empty weight are from the 30-can official page fetched November 10, 2026. Yeti official pages could not be fetched. Do not treat these ice-life protocols as the same test.
Yeti Hopper Flip 18RTIC Ultra-Tough / Soft Pack 30
Price we can cite$300 list in OGL’s Sept 15, 2026 test and in The Guardian’s Aug 10, 2026 test (Yeti.com 403)$129 on RTIC’s official page (top of the 30-can page we fetched), and $129 in OGL, Switchback, and CleverHiker
Cans / volumeOGL: 30 cans measured; 16.4 L. Guardian: 30 twelve-ounce cansOGL: 30 cans measured; 18.0 L. Official RTIC page is the 30-can size. Switchback: 30 cans with ice. CleverHiker: 30-can, 14 qt
Insulation tests (different protocols)OGL: 2.4 days below 40°F; 2.6 days below 50°F. Guardian used a 24-hour, 76°F protocol and placed the Flip 18 in its top tier (only three models performed better in that test)OGL: 1.8 days below 40°F; 2.0 days below 50°F. Switchback table lists 48 hours claimed ice retention and says claimed times are often about half in real use. CleverHiker: four days for ice to fully melt in a California high-desert test; after five days, 40–50°F
Weight4.4 lb in OGL’s test; 4.50 lb in The Guardian’s testOGL measured 3.7 lb; official RTIC 30-can page, Switchback, and CleverHiker list 4 lb empty
Dimensions16.5 × 11 × 13 in in OGL’s testOfficial: 15.5 × 12.75 × 11.5 in; OGL measured 15.6 × 12 × 12.8 in
Closure / floatZipper; OGL says it floats. Guardian called the zipper a bit stiffZipper; official page, OGL, Switchback, and CleverHiker say it floats; OGL, Switchback, and CleverHiker called the zipper stiff or difficult

What are the pros and cons?

Yeti Hopper Flip 18: pros

  • Longer ice life in OGL’s September 15, 2026 protocol (2.4 / 2.6 days)
  • Same 30-can measured count as the RTIC 30, with a wine bottle able to lie horizontal, per OGL
  • The Guardian’s August 10, 2026 test named it best overall portable cooler, at $300 and 4.50 lb

Yeti Hopper Flip 18: cons

  • Much higher list price ($300 in those tests) than the RTIC
  • We could not fetch official Yeti specs or a current official price (HTTP 403)
  • A zipper soft cooler is still not a hard cooler for multi-day camps without ice top-ups

RTIC Ultra-Tough Soft Cooler (30-can): pros

  • $129 official and in OGL, Switchback, and CleverHiker — far less than the Hopper Flip 18 list price
  • Official 30-can size is close to OGL’s 30-can measurement; slightly more volume in OGL’s liters (18.0 vs 16.4)
  • Lighter on OGL’s scale (3.7 vs 4.4 lb); official empty weight 4 lb

RTIC Ultra-Tough Soft Cooler (30-can): cons

  • Shorter ice life in the same OGL protocol (1.8 / 2.0 days)
  • OGL, Switchback, and CleverHiker all called the zipper stiff or difficult
  • Do not treat an “compare at” or competitor price on a dealer page as the Hopper’s official price

Which should you choose: Yeti Hopper Flip 18 or RTIC Ultra-Tough Soft Cooler (30-can)?

For a 30-can zipper soft pack, OutdoorGearLab’s September 15, 2026 test says the Hopper Flip 18 keeps temperature longer and costs more; the RTIC Soft Pack 30 / official 30-can Ultra-Tough is close in can count, a little roomier in OGL’s liters, cheaper, and a weaker insulator in that lab protocol. The Guardian’s[3] separate August 10, 2026 test named the Flip 18 best overall among the portable coolers it ran, at $300 and 4.50 lb. We have not run our own ice test, and we do not merge The Guardian’s 24-hour protocol, OGL’s days-below-40°F protocol, or CleverHiker’s high-desert melt test into one ranking. Confirm you are looking at the 30-can RTIC size, not a smaller Ultra-Tough, and confirm today’s Hopper price on a page you can open, because Yeti.com blocked our fetch.

Choose Yeti Hopper Flip 18 if…

  • You want the longer ice life in OGL’s September 15, 2026 soft-cooler test, or The Guardian’s August 10, 2026 best-overall pick
  • A $300 list price in those tests is acceptable
  • You want a 30-can zipper bag that OGL says will float
Check Yeti Hopper Flip 18 price (opens in a new tab)

Choose RTIC Ultra-Tough Soft Cooler (30-can) if…

  • You want a 30-can official RTIC at $129
  • You will accept shorter ice life in that same OGL test
  • A slightly lighter measured bag matters more than brand
Check RTIC Ultra-Tough Soft Cooler (30-can) price (opens in a new tab)

Same can count, not the same ice life

OutdoorGearLab measured both at 30 cans, and The Guardian[3] also measured the Flip 18 at 30 twelve-ounce cans. That is why this is a fair soft-pack comparison. The difference in OGL’s test is insulation (Hopper Flip 18 ahead) and price (RTIC far lower). OGL also tested other soft coolers that insulated even longer — the Yeti Hopper M20 Soft Cooler, at a $325 list in that test, was the insulation leader — but the M20 is a backpack-style bag, not a Flip 18-shaped tote, so it is not the B product here.

These ice-life numbers are not one test

OutdoorGearLab’s September 15, 2026 protocol reports days below 40°F and 50°F. The Guardian[3], on August 10, 2026, filled each cooler with ice equal to a quarter of its 12-ounce can capacity, then recorded temperature every 15 minutes for 24 hours in a dark room at 76°F; it named the Flip 18 best overall and said only three models performed better on cold retention in that test, without publishing a Flip 18 hours-below-40°F figure we can quote. Switchback’s October 30, 2026 table lists 48 hours of claimed ice retention for the RTIC 30-can and warns that claimed times are often about half in real use. CleverHiker’s July 19, 2025 California high-desert test said it took four days for ice in the RTIC to fully melt, and that after five days the interior was between 40 and 50°F. Those are different methods, rooms, and dates. We report each one and do not average them.

Why Hopper figures come from reviewers, not Yeti.com

Yeti.com returned HTTP 403 when we requested official Hopper Flip URLs on November 10, 2026. We therefore cite OGL’s and The Guardian’s[3] dated list price and measurements for the Flip 18, and we cite RTIC’s official 30-can page for the dimensions and empty weight we could verify. If a retailer page shows a “comparable” Yeti price, we do not treat that as Yeti’s official number. Switchback’s October 30, 2026 guide reviews a Hopper Flip 12 ($250, 24 cans without ice, 3 lb 0 oz in that write-up), not the Flip 18; we leave those Flip 12 figures off this table.

Who should skip both?

  • People who need multi-day hard-cooler ice life. See the Tundra 45 vs Roadie 48 page; those lab times are days longer. The Guardian[3] also said the Flip 18 could not match the cold retention of the Oyster Tempo or even Yeti’s hard-sided Roadie 8 in that August 10, 2026 test.
  • Shoppers who want a backpack-style soft cooler. OGL’s insulation leader in the same test was the Hopper M20, a different shape.
  • Anyone who needs a certified bear-resistant hard cooler for a land unit that requires one. These are zipper soft packs.

Frequently asked questions

Which soft cooler stays colder longer?
In OutdoorGearLab’s September 15, 2026 test, the Hopper Flip 18 stayed below 40°F for 2.4 days and below 50°F for 2.6 days. The RTIC Soft Pack 30 was at 1.8 and 2.0 days in the same protocol. The Guardian’s[3] separate August 10, 2026 24-hour test named the Flip 18 best overall but did not publish a Flip 18 hours-below-40°F figure we can quote. CleverHiker’s July 19, 2025 high-desert test of the RTIC said ice took four days to fully melt. Those are different protocols.
Do they hold the same number of cans?
OutdoorGearLab measured both at 30 cans. The Guardian[3] measured the Flip 18 at 30 twelve-ounce cans. RTIC’s official page we fetched is the 30-can Ultra-Tough size. Switchback also lists the RTIC at 30 cans with ice.
How much is the RTIC 30-can cooler?
The official 30-can page displayed $129 when we fetched it on November 10, 2026, which matches the $129 list in OGL’s test, Switchback’s October 30, 2026 guide, and CleverHiker’s July 19, 2025 review.
How much is the Hopper Flip 18?
OutdoorGearLab’s September 15, 2026 test and The Guardian’s[3] August 10, 2026 test both list $300. We could not confirm a current official Yeti.com price (HTTP 403).
Does the RTIC float?
Yes — the official RTIC copy we fetched, OutdoorGearLab, Switchback, and CleverHiker all say the soft pack floats. OGL also said the Hopper Flip 18 floats.

Sources

Prices, specs and land-unit rules were checked on the pages below as of Nov 2026. Brands and land units change prices and rules often, so confirm them on the seller’s or official land-unit page before you buy or go.

  1. OutdoorGearLab: The Best Soft Coolers of 2026 (updated September 15, 2026; Hopper Flip 18 and RTIC Soft Pack 30 in the same test) (outdoorgearlab.com)
  2. RTIC: Ultra-Tough Soft Cooler official 30-can product page (price, dimensions, empty weight; fetched Nov 10, 2026) (rtic.com)
  3. The Guardian: The five best portable coolers in the US (published August 10, 2026; Flip 18 best overall, $300, 30 cans, 4.50 lb; 24-hour test at 76°F; fetched Nov 10, 2026) (theguardian.com)
  4. Switchback Travel: Best Soft Coolers of 2026 (last updated October 30, 2026; RTIC Ultra-Tough 30 Can $129, 4 lb 0 oz, 30 cans with ice, 1.5 in foam, floats, stiff zipper, 48 hours claimed ice; Flip 12, not Flip 18, is the Hopper they reviewed; fetched Nov 10, 2026) (switchbacktravel.com)
  5. CleverHiker: RTIC Soft Pack Cooler Review (published July 19, 2025; $129, 4 lb, 14 qt, 30-can; four days for ice to fully melt in a California high-desert test; fetched Nov 10, 2026) (cleverhiker.com)
  6. Yeti Hopper Flip official URL (fetch returned HTTP 403 on Nov 10, 2026; cited as the official page we could not read, and not counted toward the five-source bar) (yeti.com)