CALLSIGN HORIZON™ MID GTX MEN'S WATERPROOF SNEAKERDescription Details DESIGNED FOR DUALITY Combine the heritage of our CARIBOU boot with the modern convenience of a sneaker, and you get the best of both worlds. Any season, anywhere, beat the elements and stay supported in style. UPPER: Patented Gore Tex waterproof construction. Leather and textile upper. Oversized Gore Tex branding on Medial quarter. TPU abrasion resistant material on upper and eyerow. Transparent molded TPU heel pull with SOREL