Crewsocks

3 clues
Ribbed footwear
Types of thick argyles
Pair that reaches the lower calves
Similar answers:
Accrueacrew
Aircrew
Aircrewman
Aircrewmen
Aircrews
Airlinecrews
Airplanecrew
Airscrew
Anklesocks
Archimedesscrew
Argylesocks
Armadacrew
Ascrew
Ascrewdriver
Ascrewloose
Aturnofthescrew
Blobbysocks
Bobbysocks
Brewcrew
Cabincrew