Merino Wool Sock Reinforced With Intelligent Fiber Outlast® Which Generates A Microclimate Between The Fiber And The Skin Retaining Heat When It Is Generated In Excess And Releasing It When Needed.Additional Padding Provided By Double Weave In Order To Provide Comfort On Uneven Terrain.Special Reinforcement In Shin To Cushion Impacts With The Boot.Seamless To Avoid Discomfort - Composition:30% Viscose Outlast®, 30% Merino Wool, 22% Polyamide, 15% Viscose, 3% Lycra® Fiber.- Weight:106 Gr/Pair.- Confortable Up To -25ºc.- Dobleweave In Foot.- High Density Reinforcement In Shin.- Toe And Heel Reinforcement.- Seamless.