. Thorlos - 12-Hr Shift Work Sock Over Calf Single Pair. Color Black/Grey. $19.99. 4.3 out of 5 starsBest SellerAdd to favorites. 0 people have favorited thisBrand NameThorlosProduct Name12-Hr Shift Work Sock Over Calf Single PairColorBlack/GreyPrice$19.99Rating4Rated 4 stars out of 5(98)