There's a left and a right sock for a precise fit.
NeoPro Cycling Socks Grey M-L (UK) RRP £14.99
NeoPro Cycling Socks White +39-45 (UK) RRP £14.99
Aero Cycling Socks Blue Aero Pro +39-45 (UK) RRP £15.99
BNWT - TREK RACE CREW CYCLING SOCKS - BLUE - LARGE - ADULT - EU 42-44 - 5275674
Compressport Pro Racing V4 Cycling Socks Blue Bike Cycle Breathable Comfort Mens
