OLDKOOK Dura-Force Snowboard Boot Laces – Metallic Gray (1 Pair Pack) Shoelaces Old Kook’s metallic gray Dura-Force Work Boot Laces are the toughest laces for work boots, construction boots, and all industrial applications. Old Kook’s Dura-Force Snowboard Boot Laces are the strongest, toughest, and most durable snowboarding boot laces. Dura-Force…