Our Cushion Crew Socks Made With The High-technology Fabrics Are Engineered To Provide Superior Moisture Wicking Management Breathing knitting has better absorption and comfort, light weight, wear resistance, sweat absorption and perspiration. It's not easy for the knitting to slip. It's gentle on your skin and suitable for indoor and outdoor activities. Moderate thickness, not too thick or too thin,Which Keeps Your Skin Breathable And Your Feet Cool And Dry Even Under The Toughest Conditions These Socks Are Great To Help You Avoid Blisters During Your Heavy Duty Work. Perfect For These Activities: Hiking Trekking Camping Climbing Athletics Training Work Boots Exercises Heavy Duty Work Steel Toe Boots Outdoor Activities Specification: -Fabric:90% Polyester,5% Elastane,5% Spandex -Size:Sock Size 12 INCH/30cm. Care Instructions: -Machine Wash In Cold Water.Gentle Cycle. -Only Non-chlorine Bleach When Needed,tumble Dry Low. -Do Not Bleach.Do Not Iron.Do Not Dry Clean. -Don't Soak Socks In Hot Water Or Suds For A Long Time."