Heat Wave Performance XL Vise Z87+ Safety Glasses ONOS Bifocal Sunglasses Invested in by Mark Cuban

Invested in by Mark Cuban on ABC's Shark Tank and created and used by the Gronkowski Brothers and athletes everywhere

thicker lenses and a whole lot more attitude

Transition from -44° to 76°

Z87-2+ standard designed for prescription or non-prescription use

Included: ARB-L21-5000 Li-ion battery

Heat Wave Performance XL Vise Z87+ Safety Glasses ONOS Bifocal Sunglasses Invested in by Mark CubanThe Heat Wave Performance XL Vise features an enlarged frame with 10mm added in width and 5mm in ride height for enhanced comfort and coverage. The Heat Wave Performance XL Vise is a significant upgrade, now ANSI Z87+ out of the box, with new performance arms, an integrated Quick Latch side shield system, rubberized touch points, and a lens matched side shield for a sleek look. It includes 2mm thick lenses that meet ANSI Z87. 1+ impact standards,