Made in Japan Constructed from 65% cotton and 35% polyester Embroidered with trademark red "W" High leg, designed to be comfortable with engineer boots Super-cushioned sole One size - Japanese shoe sizes 25-29, length 34cm Equates approximately to UK sizing 6.5-11, European sizing 40-46 and US sizing 7.5-12 Please click on HOW WE MEASURE tab above to compare international footwear sizing For hygiene reasons all socks are considered non-returnable Free worldwide shipping on total products order USD200 (or £/€ equivalent)or more. If your order is less than USD200 the applicable shipping cost will be added to your total order value at checkout (UK USD8, Europe USD20, Rest of World USD35) Iron Heart Engineer Boot Socks in Grey/Charcoal