The Bell Sport-TX racing sock in white, Small, is an SFI 3.3-rated accessory designed as a certified underlayer for driving footwear. It provides SFI-classified coverage where a compliant sock is required beneath race shoes. Use these socks for competition or track sessions when adherence to SFI 3.3 standards is part of equipment rules.
Bell Sport-TX Socks White Small SFI 3.3