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Pearl Izumi Merino Wool Thermal Socks

Our warmest sock combines responsibly sourced Merino wool and polyester from recycled water bottles for luxurious comfort on or off the bike.
Transfer Merino fabric combines wool and recycled polyester for sustainable technical performance
18.5-micron fine Merino Wool
Repreve® Recycled Polyester created from recycled plastic water bottles
Double weight knit for extra warmth
Flat toe seam construction provides superior comfort over toes
Anatomic arch compression for a performance fit