They will be happy to receive these practical things. The color may exist slight difference due to different screen displays. Size: one size. Practical and convenient.
Now your feet back you up: Right sock: I’M NOT SLEEPING | Left sock: I’M JUST RESTING MY EYES. For the office warrior dodging 3 PM doze calls. For the young adult cramming through finals. For the traveler napping through layovers.