The Briksdal MTN GTX is a lightweight, full synthetic mountain boot with all the structure and support of a full leather boot. The upper is built using brushed microfiber synthetic combined with high-performance and rugged PUtekA(R) fabric to provide structure, breathability, and abrasion resistance. A GORE-TexA(R) full-surround lining ensures your feet stay completely dry while maintaining breathability to handle a wide variety of temperatures and terrains. The asymmetrical lacing system increases the ability to customize the fit of the boot. Using the Crispi exclusive EFX midsole and a VIBRAMA(R) Megagrip outsole, along with our most versatile 3-flex board last the Briksdal MTN GTX boot comfortably supports your feet and lower legs for those long, heavy pack-outs we all hope for. a Insulated: No Insulation a Upper: Microfiber Synthetic with a brushed finish. PUtekA(R) Spider Fabric a Protection: Full Rubber Rand a Tongue: Strech nylon material for added comfort a Height: 9" a Weight (one boot, size 10): 1.7 lbs