GRUMPY MONKEY Midnight Palm Color:BLACK We have reinforced the shoulder

We have reinforced the shoulder strap and made it wider

without sweating or overheating

Battery runtime has increased by 11 hours for up to 87 hours of runtime

The Plexisol lenses are curved and offer 180 degree vision

GRUMPY MONKEY Midnight Palm Color:BLACK We have reinforced the shoulderFEATURES Arch support (To help promote circulation) Dri Fit with Breathable mesh Anti droop cuff to ensure your socks never slide Seamless design (to cause less friction and blisters) Double toe and heel support (causes less stress on high impact areas) COMPOSITION Cotton Blend: 78% Cotton 18% Nylon 4% Elastine SIZE CHART GRUMPY MONKEY SOCKS SIZING CHART MEDIUM: UK 4 7 US CANADA 6 10 EURO 41 45 LARGE: UK 8 12 US CANADA 11 14 EURO 45+