Innovative fit-over frame, foldable temple , visible light transmission: approx. 20 % ,color: brown 180-315 DIRM LB3 >315-532 DIRM LB3 637-661 DIRM LB3 755-<(><<)>940 DIRM LB1 940-1064 DIRM LB2 >1064-1100 DIRM LB1 529-532 RB3 >532-538 RB2 >538-545 RB1 620-<(><<)>631 RB1 631-<(><<)>637 RB2 637-644 RB3 656-661 RB3 >661-666 RB2 >666-674 RB1