Derby Laces Core 120" (305cm) Colour:Black We started out with Silicon

We started out with Silicon Nitride ceramic balls

straighten or bend leg with little or no resistance

Air cycle vents

Extra stretch

Derby Laces Core 120" (305cm) Colour:Black We started out with SiliconPERFORMANCE WAX Derby Laces are treated with the perfect amount of performance wax that feels awesome to the touch. They stay tied, tight, and where you want them while skating. DURABLE FIBERS Derby Laces are braided from a blend of high quality, high tenacity fibers. They are exceptionally soft, have high tensile strength, and are resistant to abrasion and moisture. ATTRACTIVE COLORS Derby Laces are available in a large variety of attractive colors