. Aztech Mountain combines high-quality construction and innovative fabrics in its performance kit. , These 'Hayden' ski trousers are made from the brand's Toray Derimzax EV ripstop-shell that's waterproof and highly breathable, Velcro®-fastening waist tabs allow you to adjust the fit, Side zips allow customised airflow, Four pockets for ample storage Shown here with Aztech Mountain ski jacket, Aztech Mountain base layer, Patagonia T-shirt.