Designed for high performance, the Otway is our most technical trekking and hiking sock. This medium weight sock boasts compression zones, breathe vents and re-enforced heel and toe. Made with Australian Merino Wool, the Otway will keep you warm without restricting movement. 40% Australian Merino, 40% Acrylic, 15% Polyester, 5% Elastane All-round performance Midweight Compression zones for a great fit X-tech cross-foot compression Non Slip Comfort band Seamless toe Custom cushioning SIZE GUIDE