Chains provide extra traction on natures slick surfaces. Easy on and off, they are lightweigth with case hardened links, cadminum finished, welded links.
Small - Men's 5-6 / Women's 5-7
Medium - Mens 6.5-9 / Women's 7.5-10
Large - Men's 9.5-12.5 / Women's 10.5-Up
Xlarge - Men's 13-Up
Subtract one size when fitting over winter pacs such as Kamik's or Sorels Example Winter pac size 9 use size Large.