Tube socks. What are tube socks?

Skatersocks Skatersocks 22 Inch Knee High Tube Socks - Sucker Punch Skate Shop

Kids Wholesale Winter Unisex Cotton Tube Socks - White Tube Socks For Kids - 6-8 - 12 Pack

Tube Socks - West Virginia Correctional Industries

White Ribbed Tube Socks

The Tube Sock White

Stripe Tube Socks – 2one2 Apparel

Unisex Tube Socks - Cumin / Off Black – Escuyer

Extra Wide Medical Tube Socks 3-PK – Extra Wide Sock Company

BONT Knee High Skater Tube Socks

Tube Socks – GSoulCo.

Cleanroom Tube Socks Prudential Overall Supply

The Difference between Knee-High Socks and Tube Socks