The Mattone Ultimate is a minimalist, weatherproof 0.4L saddle pack. Featuring RF-welded TPU fabric, it mounts tightly to saddle rails and weighs just 44g, which is 50% lighter than the original Mattone. The high-performance BOA Li2 metal dial provides micro-adjustable compression to eliminate bag sway, while a YKK zipper and Hypalon strap ensure weather resistance and streamlined fitment. The SILCA Mattone Ultimate offers minimalist on-bike storage in a compact, performance-forward seat pack. Engineered specifically for road riders and racers who prioritize a low-profile setup, this pack forgoes traditional stitched canvas construction in favor of RF-welded exterior panels and TPU composite fabric. Its seamless design creates a smooth exterior that mounts closer to the saddle rails while limiting water entry points. Due to its material composition, construction, and compact size, the Mattone Ultimate weighs a featherweight 44 grams (1.55 oz). That’s a 50% reduction compared to the 90...