Buttons & Pleats Premium Merino Wool Hiking Socks, 3-Pack | $8 | Amazon | Use code RRBCBOC9
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These Buttons & Pleats Merino socks were made for hiking, but they could just keep your toes warm during the winter. Using the coupon code RRBCBOC9, you can bring the price down on this 3-pack to $8.

Made with 65% merino wool, these socks have “reinforced toes and heels” for hiking and can be thrown in the wash with the rest of your laundry.