A replaceable underfoot cord keeps your ankle protected on uneven ground spare cord provided and lace hooks stop debris from getting into the shoe the fabric has a 4 way stretch providing good comfort amp freedom of movement whilst remaining rustle free amp quiet to wear fully taped seams and ykk weatherproof zips keep out the elements 4 way strectch waterproof fabric the stretch in the kamleika waterproof fabric allows for a close fit to the body the close fit helps to build up the