Did you know that although the distinct pattern on these stylish looking classics is known as plaid in North America, elsewhere it is known as tartan. In Scotland, a plaid is a tartan-patterned cloth. With these purple tartan-patterned classics, you can show off your Scottish heritage, or maybe you just want to look unique in the midst of unoriginality. The gray lenses provide 100 percent UV400 protection. Measures 48mm tall, 148mm long, and 135mm wide.