Hilly is no stranger to creating complex socks to keep your feet comfy when you're out on the trail, heading for a jog and everything else in between. Don't believe us? Just look to the Trail pair. These socks are crafted from a mixture of merino wool and polyamide to provide comfort on long-distance runs._Synthesis yarn of merino wool and polyamide provides comfort, temperature regulation, high moisture transfer and durabilityCruelty free Merino Wool - temperature regulating, high wicking and anti-microbialLYCRA DRY TECHNOLOGY provides long-lasting fit with quick-dry comfortMed-level cushioning in key pressure zones for optimum comfortDouble terry loop cushioning for all day comfort and durabilityReinforced toe box to avoid holes & blow outs when descendingClose fitting cuff with extended depth to prevent debris entering the sockFlat toe seam construction