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In page Shadbelly:

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Traditionally, a shadbelly is worn with a top hat, white breeches and black riding boots. In recent years, some governing organizations have required that riders wear approved safety helmets instead of traditional hats and caps[1]. Ideally white gloves should also be worn for a fully correct turnout, although many riders will wear black gloves while showing to make undesirable hand posture less conspicuous.