Unique, guided lens change system makes swapping lenses a snap. Two temple styles, curved and straight, included with each SKU. Durable 9-base unilens design protects the periphery. Two frame colour options. The lenses are protected with North’s exclusive 4A coating: anti-fog, anti-scratch, anti-UV 99.9,% anti-static. Customizable with your logo. Meets ANSI Z87.1-2010 and is certified to the requirements of the CSA Z94.3 standard.