SmartWool Men's Hiking Medium Crew 66% Merino Wool, 33% Nylon, 1% Elastane Imported Machine Wash 1.25" high 4" wide Sock Height: Crew Knit in USA of Imported Yarn: 68% Merino Wool, 31% Nylon, 1% Elastane Elasticized arch brace Flat knit toe seam Medium cushioning to absorb impact on the trail You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it! Medium Cushion: Medium cushioning to absorb impact on the trail Flat knit toe seam Elasticized arch brace Sock Height: Crew <span class="a-text-bold">Made in USA</span>of Imported Yarn: 66% Merino Wool, 33% Nylon, 1% Elastane Machine Wash Warm Gentle Cycle. Do Not Bleach. Tumble Dry Low. Do Not Iron. Do Not Dry Clean.