These trousers are made from our proven Hydrapel fabric, designed to be tough and durable to withstand harsh conditions. The Macaulay's are an all-weather hunting trouser that will maintain a comfortable body temperature even on the hottest days and when paired with a warm base layer, will keep you comfy in the winter. The articulated knees make for optimum movement when kneeling and climbing and the quiet outer makes stalking a quiet operation. Weight szM: 12.5oz / 350g Ultra quiet Articulated, reinforced C-CORE knees 2 front pockets Wide belt loops DWR treated YKK zippers Zip and dome fly