Patent ID: 9226527
Filing Date: 2016-01-05
CPC Classification: A41B

Claim Text:
1. A sock, comprising: a foot portion with a toe box at one end and a heel at an opposite end, a sole portion and an instep portion joined together along a longitudinal separation line to form a tube that is connected to said toe box along a toe separation line and to said heel along a heel separation line; said heel has an ankle open end; said toe box, said heel and said tube formed of a knitted yarn material to define an inner surface and an outer surface; said tube has a plurality of tube ribs longitudinally spaced apart to form a plurality of tube channels wherein said plurality of tube ribs are formed by at least one additional layer of yarn material extending from said inner surface of said tube to position said tube ribs to contact a foot inserted in said sock; and wherein a portion of said plurality of tube ribs are at least one of angularly curved and/or angled from a straight line on at least a portion of said inner surface of said sole portion to extend upwardly in a direction toward said heel from said sole portion toward said instep portion.