Colour: Navy Size: Men's 13-16 An extra large sock knitted with a 1 X 1 rib for extra sideways stretch to suit a 14+ shoe. Absorbent and breathable mercerised cotton combined with fine elastane throughout gives an elegant smooth fit. Light to medium weight for year-round wear. A Health SockĀ® with no tight elastic top. Contents: 85% Mercerised Cotton, 13% Nylon, 2% Elastane. Sizes Available: X Large