This thermo boots are designed for stable and made by ELT. These are versatile, comfy and owns light rubber soles that are flexible and anti-slip, both soles are shaped up, helping to maintain your balance. These thermo boots can be used on snow, rain or mud. On the bridges' part the seams are sealed, so the inside do not get wet in any situation. Also, the inside part is lined by a soft material that provides warm and a really pleasant texture when you touch it. About the shoelaces, both have some resistant metal buttonhole.