The most advanced eyewear hinge ever developed is ultra-durable, screw-free, spring loaded, and positively tiny. With full protection from harmful UVA + UVB rays and glare-cutting polarization in every pair, those eyeballs of yours will be feeling comfy and cared for. No more sore noses and constant slippage. Our frames are laser cut from ultra-thin stainless steel and weigh less than 20 grams, so you may forget they're even on.