GORE-TEX TechnologiesBerghaus' Baltra Trek GTX Walking Boots are made with a suede/fabric upper which conceals their GORE-TEX extended comfort lining, ensuring your feet remain warm, dry and comfortable, no matter the weather.__ They are very lightweight, providing great support and protection across varied terrains - ideal for everyday walking all year round, and well suited to our changeable weather and environment.__Ortholite footbed: anti-odour, lightweight and breathable, it gives you long-lasting support and superior cushioning underfoot Die-cut EVA midsole keeps you comfortable over uneven ground with its great shock absorption and effective cushioning OPTI-Stud outsole technology gives you great grip in all directions in all conditions, its directional lugs giving you effective braking and shedding dirt as you go