The Birkenstock Sydney Socks are the perfect compliment to your favorite pair of Birkenstocks. Birkenstock Sydney Brown Unisex Socks Features include: Crew sock Made of cotton-blend durable material Ribbed elastic cuff Enhanced toe and heel zones Smooth toe seam for comfort 96% cotton, 2% polyamide, 2% lycra Sanitized Antimicrobial treatment Tradition since 1774 Quality Craftsmanship Health and Wellness Environmental Sensibility

• Soft-stretch, elastic band top that gently conforms to your legSmall: 35-38 (US Women's 4-7.5)
• Comes with a sock ring to help keep your socks together in the wash and drawer
• High-end, long-staple cotton blends for a perfect fitLarge: 43-46 (US Men's 10-13.5)
• Enhanced toe and heel zones for long-lasting durability
• Ultra-smooth toe seam for all-day comfort in sandals, clogs and all other shoes

Soft-stretch, elastic band top that gently conforms to your legSmall: 35-38 (US Women's 4-7.5)