A sport boot with an upper which closes by tightening devices for maintaining it on the lower part of the wearer's leg includes a device for adjusting a portion of its contour adapted to modify the envelopment perimeter of the upper, independently of the tightening devices. The adjustment...http://www.google.co.uk/patents/US5718066?utm_source=gb-gplus-sharePatent US5718066 - Sport boot with an adjustable upper
