Superb in colder weather but able to be worn year round due to their fine gauge breathability and comfort with knee highs like these pantherella classic merino wool ribbed knee high socks you get warmth but without the bulkiness of so many winter socks worsted woven in england to a 5x3 rib these finely made luxury quality socks have slimly ribbed cuffs and are impeccably finished by hand linked toes for smooth seams for total comfort in even the closest fitting shoes or boots