The Topeak Tribag Large with Rain Cover is positioned for minimum wind resistance and easy access. The Tripbag Large is ideal for triathletes/time trails or and rider wanting to keep energy food or other small items close at hand. With a mesh and dry covers included, you can ride in all weather. An internal compartments keep items separated with a simple hook & loop fixing strap. Keep your speed up and your essentials close at hand and dry with the Topeak Tribag Large with with Rain Cover.