Houndstooth checks originated in woven wool cloth of the Scottish Lowlands, but are now available to you on these great looking classics. They're definitely out of the ordinary and will let you have that unique look you're looking for. They have spring hinges for extra comfort and durability. The frame is yellow with black houndstooth checks. The gray lenses provide 100 percent UV400 protection. Measures 48mm tall, 148mm long, and 135mm wide.