Casual classic with XC4® waterproof extreme-comfort technology. Full-grain waterproof leather or waterproof suede with seam-sealed construction. Waterproof double-layer stretch side gores. Super-soft, breathable, sheepskin linings. Multi-density footbed with memory-foam cushioning, contoured arch support and soft, sheepskin covering can be easily removed to accommodate your own orthotic, or a wider foot. Durable, multi-density sole for maximum shock absorption, optimum flexibility.