. Thorlos - 12-Hr Shift Work Sock Over Calf Single Pair. Color Black/Grey. $19.99. 4.4 out of 5 starsBest Seller+2Brand NameThorlosProduct Name12-Hr Shift Work Sock Over Calf Single PairColorBlack/GreyPrice$19.99Rating4Rated 4 stars out of 5(84)