Lock Laces Pro Series® (Robert Killian OCR Edition) with Strengthened Double Eyelet Locks

No-tie Lacing System: Turn any pair of lace-up tennis shoes into slip on sneakers. Lock Laces are the original Stretch Fit Comfort: Our elastic laces conform to your foot for a custom fit. Added compression reduces pressure points to make your feet feel better throughout the day so you can perform your best! Lock Laces 5-strand fibers are .19 cm in diameter, 48 inches in length and can stretch up to 72 inches in length. Design: The Lock Laces Pro Series is a thinner lace design (5-strands) to allow athletes to install them into their training and competition shoes much easier. The lock has been upgraded and strengthened to ensure that the laces remain secure in all conditions. The laces are black with red tracers and with red print on the black lock which were Robert's favorite colors! Simple Installation: One size fits all (kids and adults), quick to install, and easy to use. Each pair is suitable for lacing up one pair of shoes. Easy installation instructions and videos provided.