These trail-ready crew socks blend Smartwool's proven technologies for durability, comfort, and breathability. Light cushioning supports all-season hiking while Indestructawool™ reinforcement in high-wear zones keeps them going strong. The 4 Degree™ Elite Fit System delivers strategic stretch and mesh for blister protection, rounded out by a virtually seamless toe for all-day comfort on the trail. 56% Wool-Merino 42% Nylon 2% Elastane Machine Wash Warm, Inside Out Do Not Dry Clean Do Not Iron Tumble Dry Low Do Not Bleach