the back is smooth

which is hollow like a tunnel

Except for the drop shapes

partially dark-oxidized tribal tunnel

Sonnenbrille bunt verspiegelt 400 UV Rahmen transparent sportlich flesh tunnels the back is smoothThese sporty retro sunglasses feature a wide, curved bridge across the nose, a sturdy frame, and temples that are slightly curved, taper towards the back, and end almost straight (with a circular pattern at the tip), giving them a sporty look. The top of the frame extends slightly beyond the sides, the frame is transparent, and the temples are colorful. These unisex sunglasses offer UV 400 protection, are manufactured according to European standards,