- Beware of the jungle! The Darn Tough® Vermont Run Wild Micro Crew Ultra-Lightweight With Cushion can handle any wild trips. The micro crew-length features a lightweight wool blend featuring a performance fit that doesn't slip or bunch, and that's designed to help prevent blisters. The lowest profile, ultra-lightweight yarns create zero bulk, zero itch socks that feel like a second skin. - Regular fit and pull-on style. - True Seamless™ toe is fused for an incredibly smooth feel. - Reinforced Achilles cushioning adds extra comfort and durability. - 50% Merino wool, 46% nylon, 4% Lycra® spandex. - Hand wash only. - Made in the USA.