This winter overachiever features a protective rubber shell for all-over defense from snow and low-bulk insulation for all-around warmth in cold temps. M Select™ DRY impermeable membrane seals out water and lets moisture escape. • Waterproof PU coated leather and mesh upper • Metal hook and lacing eyelet for secure lacing. • Bellows tongue keeps debris out. • Protective rubber shell. • M Select™ FRESH antimicrobial agents reduces shoe odor. • 200 grams M Select™ WARM lightweight, low bulk insulation keeps you comfortable. • Kinetic Fit™ BASE insole is contoured like your foot and provides flexible, intuitive support for connected and protected movement