The On Trek Tights are part of the brands performance outdoor collection. Meaning they feature cutting-edge lightweight protection and sleek, modern design. Engineered to discover the world. Reinforced detailing on the side, knee and back of the tights keep the Trek Tights intact. The clean, bonded waistband of the Trek Tights doesn't just mean it won't chafe. It means you won't feel it on your waistline at all. Two side pockets fit your running essentials, and a zipped back pocket fits your valuables.