Sock capable of providing additional protection for an ankle joint

A sock comprising:

• a sock body including
• a leg section having a cuff that defines a foot opening for insertion of a foot of a wearer, and
• a foot section connected to said leg section and including a toe section, a heel section opposite to said toe section, a sole section extending between said toe section and said heel section, and an instep section extending between said toe section and said heel section;
• wherein said leg section has a back segment that faces away from said toe section and that is formed with an opening;
• and
• wherein said sock body is convertible when worn on the foot from an extended state to an ankle protecting state, in which said leg section is folded down so that said cuff surrounds said foot section between said toe section and said heel section and so that said heel section extends through said opening, such that said leg section is able to provide additional protection for an ankle joint of the foot.