Nite Ize KnotBone Stretch LaceLock System
KnotBone Stretch Laces allow footwear to dynamically adjust to your foot as it flexes and moves
KnotBone Stretch Laces feature UV resistant thermo plastic urethane (TPU) material
KnotBone LaceLock's simple wrap & lock design - no moving parts or springs
KnotBone Stretch Laces are waterproof and feature a flat, low-profile, lightweight design
Great for athletes & runners, kids, seniors, and anyone with mobility challenges
Fits any shoe with eyelet or web tab lacing - easily trim to fit any shoe
KnotBone LaceLocks can be configured to tighten and secure your laces or can be used to quickly cinch your laces without locking - perfect for slipping your boots on to run to the mailbox or other quick tasks without having to tie your laces!