The Nike Challenger Men's Brief-Lined Running Shorts provide ultimate comfort and support during your daily workout. Featuring inner shorts that deliver a locked-in, supportive, chafe-free fit so you can get on with your run without distractions. Using Nike's Dri-FIT tech which helps keep you dry and comfortable as moisture is wicked away from the skin. Mesh side and back panels provide optimal ventilation, while side pockets give you a great place to store your small valuables.