Undersaddle XL Bag

When you find your saddle bag zipper is straining to shut on nearly every ride it might be time to invest in a bigger bag. Castelli's Undersaddle XL Bag will hold all of your essentials — plus the extras you can't leave home without — but won't add undue bulk to your frame. Made with water and stain-resistant materials and a water-resistant zipper, the bag has Castelli's expected combination of sleekness and style.