New Other Electric Knoxville XL Gloss Black Polarized Sunglasses XL:Black cushioning system adds energy returning responsiveness FBR 2I ML Md Lrg Blk Gry cushioning system adds energy returning responsiveness Anatomical lace system reduces pressure on the foot for added comfort Sock like bootie construction and TPU stability wrap improve fit Mesh tongue and heel insert provide breathable comfort Grippy rubber outsole wraps up and around the midsole to add traction The Aero Burner technology and streamlined barrel provides the ideal weight distribution Brand New Never Worn Missing Original Box and Tags Made in the USA or Imported With the rock solid aesthetics of the original knoxville intact classic lines and uncompromised fit 6 base glass lens 98 percent blue light protection