Experience targeted support and breathable comfort with Bauerfeind Men's Performance Compression Running Socks in black, size 41‑43 XL. Designed for long runs, they feature a snug fit that enhances circulation, reduces muscle fatigue, and keeps feet dry with moisture‑wicking fabric. The ergonomic toe box allows natural foot movement while the compression band promotes steady blood flow, helping you stay energized and recover faster after every stride.