Nike Duffel Bag Size Medium, blue and black, RN#56323 with straps | eBay
Amazon.com: Nike Brasilia Training Duffel Bag, Versatile Bag with Padded Strap and Mesh Exterior Pocket, Medium, Game Royal/Black/White : Clothing, Shoes & Jewelry
Nike Utility Power Training Duffel Bag (Medium, 51L). Nike ID
Nike Brasilia 9.5 Training Duffel Bag (Medium, 60L). Nike.com