Sines - Unisex Bio Acetate Sunglasses
The Sines Unisex Bio Acetate Sunglasses are built from Italian Mazzuchelli bio acetate, a plant-derived material composed of wood pulp and cotton fibers bound with natural plasticizers including citric acid esters. The result is a frame with genuine material transparency, a classic squared silhouette, and a fit that works across face shapes. Available in Tortoise Shell, Black, and Champagne, with frame measurements of 50-21-140.
- Bio acetate frames sourced from wood pulp and cotton fibers with citric acid ester plasticizers, offering a plant-based alternative to conventional petroleum acetate.
- Nine-layer lenses combine two scratch-resistant layers, two shock-resistant layers, four UV400 layers blocking both UVA and UVB rays, and one polarized layer for glare reduction in bright conditions.
- CE (EU) and FDA (USA) approved lenses with a changeable lens design, so the frame stays in use longer rather than being replaced entirely.
- Backed by a 2-year warranty, supporting the kind of longevity that reduces the cycle of disposable eyewear.
Style that holds up to real wear and leaves a lighter footprint. The Sines sunglasses are a considered choice for anyone who wants optical clarity, ingredient transparency, and a frame worth keeping.
Return Window
60-day return window from delivery for exchanges or full refunds.
Exchanges
Exchanges for unused, unworn items in original packaging with tags intact.
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Refunds
Full refund available within 60 days of delivery
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About the brand
Joplins
Joplins crafts sunglasses and eyewear from upcycled and sustainable materials.
Highlights:
- FSC-certified wood components
- Cellulose acetate
- Renewable energy production
- Fair trade certified factory

