Explanatory notes
… of the upper shall be taken to be the constituent material having the greatest external surface area, no account being … Footwear which is designed for a sporting activity and has, or has provision for the attachment of, spikes, sprigs, … (the uppers of which cover the leg and thigh, and which may have straps, etc., for fastening the uppers to the waist for …Legal note
… Notes. 1.- This Chapter does not cover : (a) Disposable foot or … of the upper shall be taken to be the constituent material having the greatest external surface area, no account being … Footwear which is designed for a sporting activity and has, or has provision for the attachment of, spikes, sprigs, …