Update your closet today with Under Armour. Shop all the latest designer gym bags in our selection. Available in a wide range of colors and styles, these gym bags are designed to last. Under Armour is renowned for creating highly wearable, well-made gym bags. The label is committed to delivering pieces that are not only expertly crafted, but look good and are fully functional, too. Combining a minimalist design with expert craftsmanship, it’s easy to see why this collection is so popular. Shop now for the latest sale and new-season designer gym bags at Lyst.