The Best Uncoated Insulated Travel Mugs of 2026

Why Owala Stainless Steel Straw Tumbler Route 66 wins, and what it beats

Every grade on this page is one sum. A category starts from a baseline, each disclosed material or coating adds risk points, and each thing the brand or a third party has published takes them away. Below is that sum for the winner, then for 1 product it beats, so you can see exactly where the 10 points between the top and the bottom of this uncoated insulated travel mugs ranking come from.

The winner

80Excellent

Owala Stainless Steel Straw Tumbler Route 66

Made of Stainless steel tumbler, bare uncoated.

• +25Category baseline. The starting point for this type of product, before anything specific to this product is counted.
• +15No PFAS disclosure. No public statement from the brand about PFAS in this product.
• -20Bare uncoated material. Recorded as a bare, uncoated material with no surface coating or treatment.

20risk points in total, which is a grade of 80

What the grade does not fix. It still carries one risk factor, No PFAS disclosure, and our graders recorded 3 other hazards on it. See the full breakdown.

Check priceFull breakdown

What it beats, and why

70Good10 points behind the winner

Yeti Rambler Tumbler YETI

What puts it behind. The winner earns -20 points for Bare uncoated material. We found nothing comparable published for this product.

Made of 18/8 stainless steel, no coating.

• +25Category baseline
• +15No PFAS disclosure
• -10Base material not linked to PFAS. The main material recorded for this product is not one associated with PFAS.

30risk points, a grade of 70

No product on this page was physically tested by us. Every number above comes from published materials, ingredient and coating disclosures, certifications and brand statements, scored on one public rubric. Formulations change without notice, so check the current product listing before buying.