Your gloves should not be bulky but they must be durable. Poor-fitting gloves could cause blisters or you could have an accident if they slip off,
The ideal type of fabric for gardening gloves would be water-resistant but also breathable, this will help to keep your hands comfortable and cool. It is also worth noting that getting yourself gloves that have longer cuffs will help to protect not just your hands but your wrists and forearms.