* Tweed jacket.
* Shirt and tie, waistcoat optional.
* Beige jodhpurs or breeches - canary is not seen in cob classes.
* boots.
* Black, brown or fawn gloves - a neutral colour.
* Carrying a show cane is correct.
* Hat - some shows specify current safety standards and chinstrap to be done up, others don't. Velvet hat or skull cap with velvet cover.
I like tweed jackets personally with in hand showing, beige jods or trousers