XMark CrossFit 2 Inch x 30 ft. Black Heavy Undulation Rope XM-1886 The XMark XM-1886 CrossFit Black Heavy Undulation Rope is made of heavy duty, industrial grade rope with 10” rubber grips. Designed for indoor and outdoor use, the XMark XM-1886 2” x 30’ CrossFit Heavy Undulation Rope is best suited for intermediate to advanced physical conditioning. Not only will heavy rope training build power and strength but heavy rope training was also voted as best new cardio tool in Men’s Health 2009. Heavy rope training is an excellent cardio workout that will shred major calories while creating noticeable definition in your arms. In fact, it is said by those with years of experience that 3 minutes of non-stop heavy rope action is equivalent to 30 minutes of intense running. This back to basics training forces your body into constant balance mode as it works to re-stabilize and reposition itself with each ripple of the rope. Heavy rope training demands you push yourself to the limit and in return rewards you with tremendous grip strength, unbelievable raw power and body transforming muscular coordination. Features: a) 2” diameter thickness b) 30’ rope length c) 10” Rubber grips d) Suited for intermediate and advanced conditioning e) High intensity, low impact f) Used with CrossFit training g) Water resistant h) Industrial grade rope i) Suitable for indoor and outdoor use