Made a saddle bag for my touring bike! Designed around the Brooks but also fits on non-brooks rails. Trying it out on a short tour this weekend : r/bicycletouring
Amazon.com : Brooks England Nylon Saddle Rain Cover, Large , Black : Sports & Outdoors
Best bike saddle bags 2022 | Carry tools and kit in comfort - BikeRadar
Brooks Saddle Cover Medium - The Bike Lane
Brooks england Single Rich Rain Cover Saddle Cover, Black | Bikeinn