The Selle SMP TRK Saddle is designed for touring and bikepacking, but is also suited to commuting and city riding. The large size is shorter and wider than medium for additional comfort. Features: Cover: SMP Vacuum Tech: Innovative production process conceived in SMP's laboratories that allows to apply cover without using adhesives or mechanical fasteners. Padding: Soft polyurethane with high mechanical strength. Body: Designed to overcome the most stringent resistance and stability tests over time. Fixing Plates: Exclusive structural element that allows to achieve higher standards of security and robustness. Rail: Great resistance to stress and vibration absorption capacity. Specifications: Size: Large Width: 177mm Length: 272mm Rail Size: 7 x 7mm (Standard) Rail Material: FeC30 Steel Cover Material: SVT Velvet Touch Gender: Unisex Discipline: Touring, Trekking, Commuter, City, Comfort, Color: Black Weight: 410g