
Tumbler: double-walled vacuum insulated 18/8 pro-grade stainless steel
Lid: BPA-free plastic
- Double layer collar
- Split hem for easy movement
- Custom Stio logo
- Heat transfer interior labels for comfort
- Custom Stio laser etched buttons at front placket
- Moisture-wicking performance fabric
- Odor-resistant natural wool properties
- Lightweight stretch for all-day comfort
- Hybrid construction for alpine-to-town versatility
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SUSTAINABLE SOURCING
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Products that are labeled as BPA free do not contain Bisphenol A, a chemical commonly found in plastic products. Studies on BPA exposure have shown that high levels of BPA could lead to hormone disruption, effects on behavior and brain function, reproductive problems, breast cancer, heart disease, infertility, and more.
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Tested to be Phthalate Free
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