Norrona Bitihorn Lightweight Shorts are light, breathable and quick drying shorts made for active summer days. Norrona Bitihorn Lightweight Shorts are light, breathable and quick drying shorts made for active summer days. The new and improved Norrona bitihorn lightweight men's Shorts are light, breathable and quick drying shorts made for active summer days. They have an athletic above knee length fit and are made of a light weight fabric that does not cling to you skin. The Custom-fit waist system™ lets you customize the shorts perfectly while the hand pockets and back pockets give room for small essentials. A great pair for hiking, trekking and active days in the city on a hot summer day.