The Darn Tough® Vermont Shroom Bloom Crew Lightweight is in season. This crew-length sock is a lightweight wool blend featuring a performance fit that doesn't slip or bunch, and that's designed to help prevent blisters. Crafted with silky-soft Merino wool, these socks offer breathable, long-wearing comfort and natural temperature regulation. Lightweight yarns provide a soft, barely-there feel that's perfect for all-day wear.