Features of Smartwool Men's Athletic Targeted Cushion Ankle Sock Flat knit toe seam for additional comfort Reinforced sole for additional durability Overall 3.25" height Height: Ankle Targeted cushion Fabric Details 59% Merino Wool 24% Nylon 15% Recycled Nylon 2% Elastane 59% Merino Wool 24% Nylon 15% Recycled Nylon 2% Elastane