AKU was born in Italy to founder Galliano Bordin and grew over 40 years from a small workshop into an industry that designs and produces trekking and outdoor footwear. The Alterra GTX is a versatile trekking boot designed for medium and unpredictable trekking terrains, available in sizes 3-13 in UK shoe sizes. It offers good ankle support and durability at a light-weight 670g per shoe.