and lens pattern which allows any optician to mount the lenses

Lacing System: quickLACE™: Minimalistic and strong lace for one-pull tightening

And if it's not for yourself

Pole Technology

SAL L41742900 L Speedcross 6 Moonscape

Suncloud Loveseat Sunglasses - Black + Polarized Gray Green Shoelaces and lens pattern which allowsGo ahead, get cozy with the Loveseat. Charismatic and fun loving medium size, round shape with keyhole nose bridge detail, the Loveseat settles in on trend in four smart colors. Trendy still demands performance; polarized lenses reduce glare and protect from harmful rays. Lightweight nylon frames emphasize color selections. Product Details: Polarized polycarbonate injection molded lenses 6 base lens curvature Evolve bio based frame material Custom