4 Degree Elite Fit System - for a dialled, performance-oriented fit with flex zone at ankle jointMesh Venting - Mesh ventilation zones provide optimum moisture management and maximum breathabilityShred Shield - helps reduce wear from toesSeamless construction - provides support with stretch for mobility and comfortLightcushion - for impact absorption and warmthIndestructawool technology - features a patent-pending construction method for exceptional durability and comfortWomen's specific fitHeight: 7"ZQ-certified Merino woolRecycled nylonFabric: 58% Merino Wool 28% Recycled Polyamide 12% Polyamide 2% Elastane