When you buy shades from KZ Gear, you are in the fam for life! That's right. FOR. LIFE. KZ4Life! Is our replacement program for broken shades. Our shades are light-weight, affordable, and super durable. They look great so you take them everywhere, but accidents happen. We get it. Living that KZ Lifestyle, sometimes shades can get busted mid-adventure. That's a definite bummer. KZ4Life! will hook you up with a replacement pair for just $20 shipped! Learn more about KZ4Life! here.