Crafted with uncompromising quality and styling. Made with 81% Cotton. Stay-Up Technology From the top welt to the toe, these socks are interwoven with Lycra® spandex for excellent hold and a comfortable fit. Odor Control Contains Bioguard® which is designed with passion and skill to be the ultimate foot companion. Bioguard® odor protection is so good, you could even take your shoes off on a plane without the Air Marshalls intervening. The Green Seam Means More Sock For The Money A guarantee that you'll be satisfied with the quality of these Burlington ® Socks. Visit burlingtonsocks.com/customerservice for more information about their Satisfaction Guarantee or call Burlington ® Customer Care at 1-800-575-3497 Features Lycra® spandex top-to-toe for excellent stay-up and a comfortable fit. Contains Bioguard® for odor control Specs 3 Pair Pack Made in USA of Imported Yarn Fits Shoe Size: US 6.5 -12.5 Style BB605 Fibre Content 81% Cotton/ 18% Nylon/ 1% Spandex Care Instructions Machine wash cold with like colors Only non-chlorine bleach when needed Tumble dry low Cool iron if needed