XC+™ (Extreme Comfort+) collection gets even more extreme, designed with advanced details for comfort, performance, and durability you told us you value. A great-looking, hard-working chukka that walks the line between dressy and sporty. Waterproof leather upper with seam-sealed construction helps you weather the storm, from sidewalk puddles to soggy backyards. Leather lining. Contrast welt. XC Fit™ enhances comfort at key touchpoints of the tongue, heel and arch. Light, contoured, removable XC Foam® footbed delivers cushioned support that lasts and lasts. Ultralight, high-rebound XC Foam® midsole for even more cushioning. Slip-resistant rubber sole.