Planning a full day on the slopes? Enjoy all-day comfort with Smartwool Ski Targeted Cushion Extra Stretch Over the Calf Socks. Designed for those who want to stay out longer, these socks feature advanced Indestructawool technology for durability, a 4 Degree elite fit system for a snug, performance-enhancing fit, and body-mapped mesh zones for optimal breathability. Plus, the extra stretch around the calves ensures you’ll stay comfortable from your first run to your last. Perfect for skiers who prioritize both comfort and performance. Product Details: Height: Over-the-Calf Cushion: Targeted Cushion - Targeted cushion puts cushioning and mapped mesh zones everywhere you need it for maximum comfort and breathability. Features: Indestructawool™ Technology for enhanced durability 4 Degree™ Elite Fit System for a dialed-in, performance-oriented fit Wider welt for secure fit and comfort Body-mapped mesh zones for added breathability Material: Made in the USA of Imported Yarn: 57% Merino Wool 40% Nylon 3% Elastane Size US Men US Women Euro UK Calf Circumference Small 3–5.5 4–6.5 34–37 2–4.5 Regular: Up to 16.5"Extra Stretch: Up to 21" Medium 6–8.5 7–9.5 38–41 5–7.5 Large 9–11.5 10–12.5 42–45 8–10.5 X-Large 12–14.5 13–15.5 46–49 11–13.5 .sock-calf-size-chart { width: 100%; max-width: 750px; border-collapse: collapse; font-family: Arial, sans-serif; margin-top: 1em; } .sock-calf-size-chart th, .sock-calf-size-chart td { border: 1px solid #ccc; padding: 10px 12px; text-align: center; } .sock-calf-size-chart th { background-color: #f5f5f5; } .sock-calf-size-chart td:first-child { font-weight: bold; text-align: left; }