Check the listing for details. AVIAR ROOK 1.0 Dressage Saddle 17.5 - PRISTINE CONDITION. Color: Black, Condition: Used. Listed at 3700.00 USD. Details:BEAUTIFUL PREOWNED LIKE NEW! Size 17.5Serial #- 29731 Monoflap Currently set at Med/Wide Per the manufacturer: The first offering from Aviar, the Rook 1.0. An uncomplicated, close contact seat that’s medium deep; with proportions that leave nothing extra to interfere with and your horse’s contact. The small proportions of the tree give you ultimate freedom of movement while giving a secure feel. ANATOMICALLY DESIGNED TREE - The Hyperflex™ Tree provides both lateral and horizontal flex for optimal movement when riding your horse. Completely redesigned the saddle’s skeleton by rethinking the shape and materials used to produce it. These trees are extremely lightweight, and designed with an anatomically PRESSURE RELIEF SYSTEM - The PRS works with the Designed Tree to disperse the pressure of the rider EVENLY on the horse. This also creates a high level of comfort when riding, resulting in the ultimate connection between horse and rider. THE CLICK SYSTEM - Traditional saddles have panels stitched in by hand, which can be very time consuming for a saddle fitter to change, alter or replace. With a new hardware design, the Click System allows for the panels to click in and out effortlessly. EXTREMELY LIGHTWEIGHT - Aviar Saddles are constructed and engineered to be extremely lightweight by rethinking the materials used to make them. ‘The Rook’ Weighs in at just 5.8KG [12.8lbs], making it one of the lightest dressage saddles on the market. Message me for questions.