Engineered performance and supreme comfort. Soft merino inner, only ultra soft wool is next to the skin, plated to a strong, dense nylon outer. Just really, really comfortable socks! Reciprocated toe and fitted heel - a snug fit and no uncomfortable lump at the end of the toe; Arch braced for support; Flat knitted on the sides reducing bulk in the width of the boot and providing ventilation; Dense terry loop underfoot to provide a cushion, double plated on the outside with nylon along the full length of the foot to ensure maximum wear and prevent rubbing at the heel and toe; Full terry leg providing insulating and cushioning; Only 100% merino wool is to be found next to the skin regulating and insulating temperature and moisture changes; No itch; and No shrink. Fibre content: 75% Aussie Merino Wool, 20% Nylon, 5% Elastane No holes 2 year guarantee 100% Australian Made and Owned Product