Shires Anti-Chafe Anatomic Elasticated GP Girth Black. Ride in comfort with the Shires Anti-Chafe Anatomic Elasticated GP Girth. Designed with a contoured shape to allow for complete freedom of movement without any pinching behind the armpits whilst ensuring your saddle stays secured, the Anatomic Elasticated Girth further enhances comfort with extra cushioning to help absorb any shocks and vibration. Made with an anti-chafe fabric to help increase airflow to decrease sweat build up which can cause rubbing, the Anti-Chafe Anatomic Elasticated GP Girth is complete with roller buckles and stainless steel fittings.