Smith Embark Knife the Challenger Flip Flop is

the Challenger Flip Flop is the ultra-comfy

bite-reduction fabric and built-in Insect Shield® protection

When the forecast is frigid

YKK solid brass zipper closure custom cut at Filson with storm flap for added security

Smith Embark Knife the Challenger Flip Flop isVision ChromaPop polarized lenses cut glare and enhance color and contrast Carbonic lenses offer impact resistance and clear optics Smudge and moisture resistant coating for easy cleaning and clear optics Anti reflective coating improves clarity and reduces eye strain 100% UV protection Fit Integration Medium fit, large coverage 6 base lens curvature offers a modest wraparound fit Megol nose pads provide nonslip grip so glasses stay put Easy adjust