Wiley X PT-1SCL Matte Black Frame with 3 Lens Kit and RX InsertAWIL PT 1SCLRX The Wiley X PT 1 frames themselves are circular, so you get good peripheral protection against both glare and flying objects. Additionally, this type of design cuts down on wind resistance, so this eyewear hould be part of your gear if your idea of fun is speeding down the road on your cycle. The three lenses you get with this package offer a wide range of options, and all block 100% (yes,not 99% like other brands!) of harmful UV rays.