Nothing inspires confidence like a strong and academic look, but what if you take it even further? Knowledge is a square frame that embraces tradition, but isn't afraid to push some boundaries — note the brown acetate facefront and tortoiseshell temples to match. Complete with spring hinges for comfort.
Anti-Scratch lens coating
More ways to improve your vision? We’re glad you asked...
Protect your eyes and make screen time more comfortable.Learn more
We want you to be 100% happy with your eyewear. With 14-Day Free Returns, you can get a one-time replacement or refund within two weeks of receiving your order — no questions asked!
Our 365-Day Guarantee means you’re eligible for a one-time replacement pair within 12 months of purchase if there are clear defects in material and workmanship — so be good to your glasses!
Love eyewear and can’t decide on just one pair? Spend over $99 on and get your glasses delivered for free!
ZDTR2328-G $29.00
Blue
ZDTR2328-G $29.00
Brown
ZDTR2328-G $29.00
Black
ZDTR2328-G $29.00
Red
ZDTR2361-D $29.00
Black