Asgaard EP is: Made of chrome-free and water-repellent leather (Eco Performance leather EP) of European originCertified with EU Ecolabel, the EU's official eco-labelGuaranteed free of fluorocarbonsEasy to close with practical hook and loopLined with warming wool blend. (50% wool, 50% polyester for increased durability).Warming and removable insole in wool blend (50% wool, 50% polyester for increased durability)Shock-absorbing midsoleGrip-friendly rubber outsole. (TPR thermoplastic rubber)Internally reinforced at the front of the toe and back of the heel to protect and keep the foot in the correct positionTip! Complement your winter shoes with a warming wool sock and an extra wool sole. Wool is perfect for all conditions because it regulates both heat and moisture.