Supreme comfort and performance all seasons! 75% Virgin Aussie Wool, 20% Nylon, 5% Elastane- Reciprocated toe and fitted heel, a snug fit with no uncomfortable lump at the end of your 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 cusion, 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 insulation and cushioning- Only 100% Merino wool is to be found next to the skin regulating and insulating temperature and moisture changes. No Itch, No Shrink.