Cold, wet feet can quickly ruin even the best day outdoors—but the IceArmor by Clam Sub Zero X Boots are built to keep you warm, dry, and comfortable no matter how extreme the conditions get. Engineered as the ultimate ice fishing boot, the Sub Zero X delivers full waterproof protection with a rugged rubber exterior and a removable wool-padded liner for exceptional insulation. Rated to an impressive -40°F, these boots maintain warmth in deep cold while offering excellent traction on slick, snowy, or slushy surfaces. Whether you're drilling holes, hauling gear, or trekking across frozen lakes, the Sub Zero X Boots provide the dependable protection your feet need all winter long.