Our Favorite Darn Tough Merino Wool Socks Are on Sale at REI

Key points

• Darn Tough merino wool socks are currently on sale at REI. The writer says merino wool resists odour, wicks sweat and helps regulate foot temperature.
• Darn Tough socks contain some of the highest merino content the writer has tested, and come in many colours and designs.
• The brand offers a lifetime guarantee, and the writer says it replaced a worn-out pair his wife returned without question.