Nike Brasilia 7 Gym Sack Black/White Size One Size Go to amazon.com Related posts Top 9 best gymsack for men Top recommendation for gym sack bag FeatureWater-resistant 600D fabric helps keep your gear dry.Mesh panel at the bottom provides ventilation.Drawstring closure at the top for quick closure. DescriptionThe Nike Brasilia 7 Gym Sack is a water-resistant bag that is a convenient, lightweight option for transporting gear.