Lifestyle | Cycling | Boating | Running | Hiking Sunglasses are more than just eye protection – they're the first step on your next adventure. The Birch combines rugged style and high-performance features, so you can conquer any challenge with confidence and clarity. Fit: Size = Small / Medium Fit = Narrow See measurements in the fit guide below. Featuring: Heist Lock 100% UV Protection – Full spectrum defense of UVA / UVB / UVC and harmful blue light up to 400nm Soltra Optics – Color-accurate vision – Edge-to-edge optical clarity Crystan Anti-Scratch — Diamond tough, surface defense Crystalis Oleophobic Coating — Repels oils, smudges, and fingerprints Shadowlight TR-90 Frame – Lightweight feel for all-day comfort – Durable construction for active use – Flexible fit that moves with you – Shape-retaining memory for lasting wear Unisex Case & Cleaning Cloth — Complimentary Case & Cleaning Cloth
