The technical features applied to the Matrix II make it particularly suitable for competitions and for technically challenging off road cycling. The light and resistant uppers with inserts in nylon mesh improve the circulation of air, enhance the dissipation of humidity caused by sweat and improve comfort. Matrix II comes with a 2X Density Closure. The one piece heel strap features the new D Microlock, a built in micro ratchet closure system and the rigid heel area enhances performance during cycling. The two Velcro straps ensure a perfect locking to prevent the foot from moving inside the shoe and causing discomfort. Weight: size 41 434 grams.