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    Frequent Questions

    What size should I buy?

    Easy, all SixSox styles are offered in 3 sizes.

    US Men's* (S/M 5-9), (M/L 7-12) and ( XL 12+)

    Each pair of SixSox is built with premium materials, resulting in socks that retain shape. Even after years of washing.

    What are the materials used?

    Material percentage varies with each style*

    Each pair of SixSox is predominantly made with a blend of Luxurious Combed Cotton & Silver Yarn.

    Our Hiking Socks are made with Merino Wool & Silver Yarn.

    Hiking Socks: 60% Merino Wool, 23% Nylon, 8% Silver Yarn, 4% Lycra, 3% Cotton, 2% Spandex

    Athletic Socks: 43% Cotton, 21% Polyester, (8-15%) Silver Yarn, 11% Rayon, 5% Nylon, 3% Spandex, 2% Lycra

    Crew Socks: 68% Cotton, 11% Silver Yarn, 9% Nylon, 7% Polyester, 3% Spandex, 2% Lycra

    No Show Socks: 70% Cotton, 15% Silver Yarn, 10% Nylon, 3% Lycra, 2% Rubber

    Retro Socks: 66% Cotton, 13% Nylon, 9% Silver Yarn, 6% Polyester, 3% Lycra, 3% Spandex

    Work Socks: 80% Cotton, 13% Nylon, 4% Silver Yarn, 2% Lycra, 1% Spandex

    Compression Socks: 56% Cotton, 21% Nylon, 15% Lycra, 8% Silver Yarn


    Where are they made?

    SixSox are designed in Canada and manufactured in Taiwan.

    Ionic+™ Silver Technology is supplied by Noble Biomaterials in the USA.

    Our silver infused socks are ethically made and expertly manufactured in Taiwan by WRAP certified factories.

    (WRAP is an independent, objective, non-profit team of global social compliance experts dedicated to promoting safe, lawful, humane, and ethical manufacturing around the world through certification and education)

    How do I wash & care for my SixSox?

    Easy! SixSox can be handled like any typical laundry, our Silver Yarn will never wash out or lose effectiveness.

    We recommend to machine wash cold with like colors, hang dry or tumble dry normal to medium heat.

    Do not iron, bleach or dry clean.

    Do not use liquid fabric softener, it can coat the Silver Yarn and make it less effective.

    Are they eco-friendly & safe?

    Yes! SixSox are made with Vegan, cruelty free materials and are 100% safe.

    The Antimicrobial effects of Ionic+™ Silver Yarn Technology is permanent and will NEVER wash out.

    Designed in the USA, our Silver supplier is also used by US Military & Olympians!

    Why Silver?

    Inspired by NASA & US Military,

    After years of research & testing we concluded that Silver Yarn was one of the most ethical & effective materials available for textiles.

    The US Military was a pioneer in antimicrobial clothing. At SixSox, we use the same supplier of Antimicrobial Silver Yarn.

    Made by an American company called Noble Biomaterials. Ionic+™ Silver is regarded as an industry leader & one of the world's most innovative fabrics. Read more here

    Each pair of SixSox is antimicrobial, odor proof and super comfy. Say goodbye to smell, foot pain and bacteria build up!