Size Fits: Men's Shoe Sizes 9-12 Also Fits: Women's Shoe Sizes 10+ Sock Size 10-13 Treat your feet to a pair of the world's warmest thermal socks to keep your feet toasty even on the coldest of days. Our innovative knitting process produces unique, extra long looped cushioning to hold in more warm air, preventing the escape of your coveted body heat. The inner layer then undergoes an intense brushing process to give Blue Flame Thermals their exceedingly soft feel while helping the acrylic hold even more heat. All Blue Flame Footwear thermal socks are guaranteed for one full year from the date of purchase. If for any reason you are dissatisfied with your purchase within 30 days, just return the socks to receive a full refund. If after 30 days you are dissatisfied with your socks in any way, please send the laundered socks with purchase receipt back to us for a replacement pair. Be sure to include your shoe size (if size is not listed on the receipt) and your address. Replacement pairs will ship within 1-3 days of their arrival at our offices.
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