ULAC OTAKU HALF SUNGLASSES WHITE / RED PHOTOCHOMATIC
The ULAC Otaku White / Rally Red Photochromic sunglasses feature a lightweight 25g TR90 full frame and premium Köri photochromic lenses that dynamically adjust to changing UV light for optimal visual contrast.
The ULAC Otaku brings high-performance optics into a lifestyle-friendly full-frame aesthetic, making it an incredibly versatile choice for casual road touring, demanding gravel exploration, and urban commutes.Weighing a mere 25 grams, the highly durable TR90 polymer chassis is engineered for all-day comfort, providing exceptional fatigue resistance and a flexible, wide fit that moves comfortably with your face without creating pressure points.
At the heart of the Otaku is ULAC's proprietary 1.3mm cylindrical Köri photochromic lens.This advanced lens technology automatically darkens or clears based on real-time ultraviolet radiation, significantly reducing eye strain and eliminating colour distortion as you move between open sun and shaded forest paths. Accompanied by adjustable nose pads for a custom non-slip fit, the package delivers massive retail value by including a premium Neo Porter dual-purpose handlebar bag that functions as a rugged, protective hard-shell travel case.
Key Features
Köri Photochromic Lens Tech: A high-impact 1.3mm cylindrical shield that automatically transitions to match ambient UV levels, enhancing trail contrast while offering 100% UV400 protection.
Ultra-Lightweight TR90 Full Frame: Delivers full-perimeter protection and exceptional fatigue resistance in a durable, wide-fitting frame that weighs only 25g.
Neo Porter Handlebar Bag Bundle: Ships with a complimentary 0.8L weather-resistant handlebar bag, complete with mounting straps, to securely store your glasses and ride essentials on the bike.
Specifications
Frame Material: TR90 Polymer (White)
Lens Thickness & Type: 1.3mm Cylindrical Polycarbonate (Rally Red Photochromic)
Weight: 25g (Sunglasses) / 175g (Handlebar Bag)
Why This IS For You
✅ Variable Light Master: Perfect for dawn-to-dusk endurance rides, thick forest singletrack, or changing weather where carrying multiple swappable lenses is a hassle.
✅ All-In-One Storage Value: Ideal for bikepackers and gravel riders who want to score a sleek pair of riding glasses along with a free, functional 0.8L cockpit bag.
✅ Prescription Compatible: Great for riders who require corrective eyewear, as it includes a dedicated, clip-in RX insert ready to be customized by your optician.
Why This May NOT Be For You
❌ Not a Total Blackout Lens: Because photochromic lenses transition based on UV light, they will not get as dark as a dedicated, high-glare category 3 or 4 fixed-tint polarized lens.
❌ Requires Delicate Maintenance: The multilayered Köri optical coating is highly sensitive; you cannot use paper products, tissues, household cleaners, or alcohol to wipe the lens without causing damage.
❌ Delayed Transition in Tunnels: Like all photochromic eyewear, there is a minor multi-second delay for the crystals to clear when plunging suddenly from bright sunlight into pitch-black tunnels.
BFC PRO TIP
To keep your Otaku glasses performing perfectly, never wipe the lenses when they are dry or covered in fine road grit, as this can microscopically scratch the photochromic coating. Instead, rinse them under cool, clean water first to dislodge any dust particles, and then gently dry them using the included microfiber cloth. Additionally, always use the soft pouch or the Neo Porter handlebar bag for storage—leaving them sitting out face-up on a workbench or dashboard exposed to ambient room light will cause the photochromic crystals to age prematurely.
