Tube socks. What are tube socks?

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

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

Bamboo Half-Cushion Tube Socks for Sports – EcoSox

Tube socks. What are tube socks?

Classic Tube Socks 5 Pack - White / Multicolor

Um, Why Is Everyone Wearing Tube Socks Now?

3 Pk Men's Tube Sock White (6055)

T1TAN Football Tube Socks in white - Tubes size 37-47

Kids White tube socks with Gold stripes

Um, Why Is Everyone Wearing Tube Socks Now?

Super 60® Tube 6-Pack Midweight Cotton Socks – Wigwam Socks

Merino Tube Sock