A brand-new hiker that easily transitions from scenic summit to corner cafM-CM-), the Kaha 2 Frost GTX is winter wonderland-ready. We added 400g of insulation and reflective foil to the original Kaha 2 bottom unit to keep feet toasty warm-and top-hook lacing makes for easy on-off. Engineered with a compression collar to seal out the elements, a Vibram Megagrip outsole, and waterproof GORE-TEX membrane, this boot's made for action. | Features. Cold-weather rated to -32M-BM-0C/-25M-BM-0F. Glove-friendly heel pull tab. Easy on-off top-hook lacing. 400g total insulation. Waterproof GORE-TEX membrane. PrimaLoft Gold. Aluminum reflective foil in sockliner bottom. Vibram Megagrip outsole with Traction Lug. 5 mm lugs. Injection-molded TPU heel cap. 91% recycled polyester ripstop mesh. Dual-density CMEVA midsole with HUBBLE heel and SwallowTail.