Dyneema Arm Protection is Cool! One of the most distinguishing Dyneema characteristics is its cool-to-touch property. Dyneema fibers inherent ability to dissipate body heat and pass moisture from inside of the sleeve to the outside, results in longer wear time which promotes greater protection. The 9312D10 is a 10 gauge Dyneema cut resistant sleeve and is 12 inches in length.  Looking for the best cut resistant sleeves?  Look no further than MCR Safety.  Looking for the best cut resistant sleeves?  Look no further than MCR Safety! Click here to view more MCR Safety sleeve options.