The endura fs260 pro sl sock has a 200 needle construction that will offer you increased support and performance without any additional bulk the meryl skinlife yarn has a soft feel for added comfort as well as an anti bacterial finish these endura cycling socks also feature a flat seam toe to prevent rubbing and the high density mid foot elastic offers increased support and stability these socks really are a treat for your feet endura fs260 pro sl sock features 200 n