One of the larger frames in the Eco Collection, the Butte features a stellar mix of style and performance.
This frame features a slight base curve that ushers in a style and performance not found elsewhere. The Proof Eyewear Eco Collection employs a cotton-based acetate frame that is fully-biodegradable so that you can rest assured when you're done with your sunglasses, they will go back to the earth; just as mother nature intended.
- Handcrafted from cotton-based acetate
- Stainless steel spring hinge fits most face shapes sizes
- Comes with wood box and microfiber pouch
- Polarized lenses
- 6 base performance wrap design
- 100% UVA/ UVB protection
- Water and sweat-resistant
- Quote Inside: "Move Mountains"
- Featuring a rectangular lens shape, the Butte Eco frame looks great on medium to larger face sizes.
We work very hard to deliver the best possible service.
We charge a flat rate of $5 for US orders $49 or less. US orders over $50 ship free. Customer orders placed before 12 pm Mountain Time, Monday–Friday will usually ship that same day.
Orders placed after 12 pm MDT Monday–Thursday will ship within 24 hours. Orders placed later than 12 pm MDT on Friday (or during the weekend) will ship the following Monday. In all cases we will try our best to exceed these minimum expectations.
For additional details on shipping including international orders, please see our FAQ page.
- Returned / exchanged items must be in 100% resalable condition (unworn, unused, undamaged)
- Timeframe begins at original purchase date
- All returns and exchanges must be initiated from original point of sale (i.e.: advancedprimate.com)
If you have additional questions or would like to initiate a return we are available Monday - Friday 9 am to 5 pm mountain time. The fastest way to get in started with your return or exchange is by emailing email@example.com.
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