A very lightweight bib short designed as an underlayer for trail riding. Its lightweight mesh construction makes it ideal for indoor training sessions. Experience the benefits of riding with a chamois while out on the trails in the MTB Air Layer Bib Shorts. Constructed from an exceptionally ventilated mesh fabric the bib shorts are designed to be worn solely under typical trail clothing or worn by themselves for a home training session. Maximizing ventilation has been central to the design and construction of these bib shorts: as well as mesh fabric the bibs feature a special perforated elastic on the leg grippers to heighten ventilation. Added functionality is included with storage pockets on the lower thigh and the back. Featuring the Catalyst pad the MTB Air Layer Bib Shorts feature strategically placed silicone inserts in the chamois and work to reduce vibrations and enhance comfort. Bib shorts constructed from exceptionally ventilated and lightweight mesh fabric designed to be worn under trail shorts or for a private training session at home. Features a perforated elastic on the leg grippers to maximize ventilation. Exceptionally stretchy material ensures the bibs are both secure and comfortable under typical trail clothing. Storage pockets are included on the back of the bibs and on the lower thigh.