I came across these and the selller knows absolutely nothing about them. I am quite sure they are x-metal Juliets but hoping they are XX. I have a hard time telling them apart when both frames aren't pictured together. I asked the seller if there are any numbers inside the left arm and he said "Nope too slim for numbers to fit" but he was helpful by telling me there's a #15 (t-shox). Thanks for any help. Here's the seller's description and pictures. "Tiniest scratch ive ever seen on one lens but ive been told these are worth 900 roughly .. not sure but im selling for 300 OBO are used mainly for sea doos, High UV protection, slim and tight fight so they dont fall off! Theres no box or anything just the glasses so this is cheap! Email only please"