Ascend Men's Merino/Alpaca Moderate Compression Quarter Sock in Black Size:M-L / US Men's 7-10 / EU 39-43 Hold them up to light

Hold them up to light or walk outside in the sun before turning off the lights to watch the special thread glow

This rule also applies to astronauts

classical paintings

you'll not only get a sock

It will still have the same coloured yarn used and will be a quality Australian Made product

Ascend Men's Merino/Alpaca Moderate Compression Quarter Sock in Black Size:M-L / US Men's 7-10 / EU 39-43 Hold them up to lightA popular quarter length sock with moderate compression (15 20mmHg), made from alpaca and merino wools which are naturally moisture wicking and control odours. Please note that cuff of sock is black not grey as in picture. Boost circulation with moderate compression and spandex stretch. Medium cushion sole and arch support provide all day comfort. Merino wool and alpaca blend adds natural softness and breathability. Ultra smooth toe seam and achilles