The SUMS Merino Crew Sock brings together technical performance and everyday comfort in a premium running crew sock. Crafted with a merino-rich fabric blend, these socks regulate temperature, control moisture and resist odor—keeping your feet fresh through long miles. Engineered cushioning in the heel and toe zones, coupled with a secure arch band, ensures a stable fit that stays locked in whether you’re pushing tempo runs or taking steady training miles. Finished in a crew length for full coverage, the SUMS Merino Crew Sock has the quality and purpose to support your run and your rotation.