Dual density mid-sole for integrated cushioningHigh grip rubber outsole with tunnel-grip pattern for superior tractionEasy one-touch adjustment with automatic retractionTPU heel stabilizerHighly water resistant, but not 100% waterproof. If additional waterproofi ng is desired we recommend treatment with Revivex, Granger’s, or a similar product.Comfort rated to -50 CPro lace up dual density thermo liner with exoskeleton supportCBR Boa Lacing System is as easy as pushing a button and turning a knob to tighten or loosen lacesHMK exclusive CBR Boa Recoiler Technology featuring a stainless steel/ self Recoiling lace systemAll the features of the Highmark pro with the addition of the CBR Boa Lacing SystemProtective sheild built arround CBR Boa recoilerEliminates pressure points and creates glove-like fi tFine tune tightness with the micro-adjust dialBlack only