What are flight socks?
Socks designed for flight are long, graduated compression socks. When you travel, they help keep your legs and feet comfortable. The tight fit helps increase circulation to your legs.
Are blankets allowed on planes?
Thankfully, blankets are not considered personal items or carry-ons. Blankets are not considered personal items like purses. In that case, put the blanket in your bag. Alternatively, you can carry it under your arm like a jacket, and the airline will see no difference.