100% Flow Performance Socks Features: Thin and comfortable MERYL® Skinlife custom moisture wicking yarn blend delivers anti-itch and odor control properties. 6" cycling crew height supported with a 1" wide ribbed cuff at the top Engineered knit upper upper with ribbed front and mesh back for enhanced airflow Strategically padded and reinforced heel and toe areas for durability Targeted knit compression arch support to help keep you riding longer Strategic top of foot knit mesh zones for enhanced breathability Flat stitch toe cap to help prevent chaffing caused by seams. Dense cusioned flatknit footbed for comfort. Material: Meryl Sizing: S/M: 5.5-9.5UK (6-10US/38-42EU) L/XL: 9.5-12.5UK (10-13US/42-46EU) You give 100% on your bike. You should not have to put the same effort into looking good off the bike. We are here to help with our premium line of casual sportswear.