{"product_id":"bircen-polarized-baseball-sunglasses-for-sports-tr90-1","title":"BIRCEN Polarized Baseball Sunglasses TR90 Lightweight for Running \u0026 Cycling, A-black frame Blue lens, UV400 120° Wraparound","description":"\u003cp\u003e\u003cstrong\u003eBIRCEN Polarized Baseball Sunglasses are lightweight, TR90-frame sport shades with polarized UV400 lenses designed to reduce glare and stay secure during running, cycling, and outdoor sports.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eBuilt for athletes and active commuters, these wraparound sunglasses combine a featherweight TR90 frame with adjustable nose pads and high-contrast polarized lenses. The design focuses on stability, optical clarity, and all-day comfort so you can maintain focus during fast-paced rides, sprints, or extended outdoor sessions. Below you’ll find practical answers to common buyer questions about fit, protection, performance, and real-world use.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these sunglasses improve vision during high-speed activities?\u003c\/h3\u003e\n\u003cp\u003eThe polarized lenses cut reflected glare and boost contrast so textures, shadows, and obstacles appear more defined at a glance. With a 120° panoramic field of view and filters that reduce harsh glare, the glasses help you detect road or trail details and distant hazards more quickly—without eye fatigue.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePolarizing filters remove most surface glare for clearer visuals.\u003c\/li\u003e\n  \u003cli\u003eEnhanced contrast triples detection of textures and contours.\u003c\/li\u003e\n  \u003cli\u003eWide 120° coverage reduces side glare and wind interference.\u003c\/li\u003e\n  \u003cli\u003eUV400 protection blocks harmful UVA\/UVB rays.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill the BIRCEN fit securely during running and cycling?\u003c\/h3\u003e\n\u003cp\u003eThe wraparound TR90 frame and adjustable nose pads work together to keep the glasses snug without pressure points. The flexible TR90 material resists impact and flexes under stress, so the sunglasses stay put through sudden movements, climbs, and long rides while remaining comfortable for hours.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUltra-light TR90 frame minimizes bounce and pressure.\u003c\/li\u003e\n  \u003cli\u003eAdjustable nose pads let you customize the fit to any nose shape.\u003c\/li\u003e\n  \u003cli\u003eWraparound geometry increases facial coverage and stability.\u003c\/li\u003e\n  \u003cli\u003e32-gram weight reduces fatigue compared with bulkier sport shades.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these lenses durable and safe for outdoor use?\u003c\/h3\u003e\n\u003cp\u003eYes; lenses are engineered for impact resistance and undergo durability testing to meet athletic standards for clarity and shock absorption. They block 100% of UV400 rays and filter out 99% of reflected glare, offering dependable protection on bright days and reflective surfaces like water or wet pavement.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eImpact-resistant optics designed for athletic conditions.\u003c\/li\u003e\n  \u003cli\u003eUV400 rating provides full UVA\/UVB protection.\u003c\/li\u003e\n  \u003cli\u003ePolarization removes most reflected light from surfaces.\u003c\/li\u003e\n  \u003cli\u003eMaterials tested for long-term outdoor durability and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat practical extras make these sunglasses a good value?\u003c\/h3\u003e\n\u003cp\u003eBeyond core performance, the BIRCEN sunglasses offer a balance of premium features at an accessible price point. Lightweight comfort, adjustable fit, and optical clarity mean you get athletic-grade protection and stability without paying a professional-price premium.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNearly 30% lighter than many standard sport sunglasses.\u003c\/li\u003e\n  \u003cli\u003eCustomizable nose pads solve common fit issues with fixed bridges.\u003c\/li\u003e\n  \u003cli\u003eWraparound design improves both sun protection and wind shielding.\u003c\/li\u003e\n  \u003cli\u003eEngineered from athlete feedback for everyday performance benefits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: These sunglasses suit runners, road and mountain cyclists, baseball players, paddle-sport participants, and outdoor commuters who want reliable glare reduction, secure fit, and long-wear comfort. If you seek a lightweight, impact-resistant pair of sport shades with adjustable fit and wide visual coverage—without upscale pricing—BIRCEN Polarized Baseball Sunglasses are engineered to meet those needs.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do these sunglasses block UV rays?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. BIRCEN lenses provide UV400 protection, blocking 100% of UVA and UVB rays.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I adjust the fit for different nose shapes?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The sunglasses have fully adjustable nose pads for a customizable, slip-free fit.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"BIRCEN","offers":[{"title":"Default Title","offer_id":48020354957473,"sku":"B0DSHT263B","price":69.7,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0758\/6532\/5729\/files\/bircen-front-view-packaging_a1a61c1b-4496-420f-a061-224679785465.jpg?v=1791296838","url":"https:\/\/canadiansporting.ca\/products\/bircen-polarized-baseball-sunglasses-for-sports-tr90-1","provider":"Canadian Sporting","version":"1.0","type":"link"}