Smartwool's Everyday Lifestyle Hookset Crew Socks Are A Versatile, Durable Pair That Packs All The Benefits Of Merino Wool In A Comfortable, Stay-put Fit. The Virtually Seamless™ Toe Provides Enhanced Comfort (Because You Can Never Have Too Much) To This Essential Everyday Sock. Features: ・Sock Height: Crew ・Secure Fit For All-day Comfort ・Versatile Durability ・Comfort Welt With 'Stay Put' Fit ・Virtually Seamless™ Toe For Enhanced Comfort ・Made In The Usa Of Imported Yarn: 55% Merino Wool 12% Nylon 31% Recycled Nylon 2% Elastane *Specific Percentage Of Recycled Nylon Will Vary As Smartwool Transitions To 100% Recycled Nylon In Future Seasons. Care: Machine Wash Warm, Inside Out. Do Not Dry Clean. Do Not Iron. Tumble Dry Low. Do Not Bleach.