The ultimate trekking boot. Designed to meet the demands of serious trekkers that are looking for the highest level of comfort and protection. Move confidently on variable terrain whether single or multi-day treks. The Forge S is a full synthetic version built with an innovative fabric developed by Tecnica that is durable and offers the elasticity to confirm to the anatomy of the foot when thermo-formed. A heat-lamination of TPU film adds protection and durability.