Keep your feet clean and odor-free by wearing this fitness style healthy collagen sock. It can maintain the moisture of your feet to keep it smooth and prevent cracked heels. This collagen sock can maintain moisture 13 times better than 100% cotton and can eliminate up to 90% unpleasant foot odor.

• Eliminate up to 90% unpleasant foot odor.
• Can maintain moisture 13 times better than 100% cotton.
• Provide moisture care to keep your feet smooth and prevent cracked heels.
• Function of fiber is permanent, can be washed countless times without losing functions.
• No musty smell.
• Comfortable to wear.
• Standardize japan certificate.
• Business color: black.
• Fitness color: white black, gray.
• No show color: white, black, gray.