Dickiesmens Dri-tech Moisture Control Comfort Length Crew Socks (6 & 12 Pairs) Socks

how do these hold up after a few washes? i have hanes and after no more than 4 washes there is pilling all over them. do the dickies hold up better?

Are they machine dryable?

What mmhg or compression level are these?

What is comfort length