Worried about what size to order? Use this free app (click here for iOS and here for Google devices) to instantly find your size. And if the fit isn't perfect, we'll be happy to exchange it.

Enjoy 20% off, plus get a free Halo ring with any purchase over $100 (prices as marked; remember to add the Halo you would like to your cart. Halo discount is applied automatically at checkout.)

• Made with our proprietary, high-performance Forged Carbon Fiber and our custom glow material
• Hours of glow time with each charge
• Easily charged with sunlight or a UV flashlight (included for free)
• Ultra-durable and unconditionally guaranteed
• Handcrafted in Brooklyn, New York

Made of our proprietary Forged Carbon Fiber with an inlayed glow stripe around the exterior, the Circa ring is ultra-light weight, incredibly strong, and optimized for brightness and longest glow time. 

Unconditionally Guaranteed: If your ring doesn't fit perfectly, we'll be happy to exchange it for the right size. And if any of our products don't meet your expectations in any way, we'll happily replace them or send you a full refund, whichever you prefer.