Raida Base layers are a tight-fitting layer of clothing to be worn beneath your riding jacket and Pants. It is Made of a specific Polyester/Spandex material which helps to absorb sweat & Moisture from the body keeping your skin dry which helps to maintain your body temperature throughout the ride.Wearing a Base Layer ensures that it feels tight against your skin whilst still giving you the flexibility to move. A set of Raida base layers will go a very long way to keeping you more comfortable and focused on riding.