PionerosPioneros is a family run business that started in the UK in 2003 producing the finest quality Argentinian leather items. Pioneros were the first company to introduce the Polo belt in a variety of colours. Originally for the Polo players. The Pioneros Polo Belt has since become a must have fashion accessory to wear with Breeches, Jeans, Shorts or any leg wear. This then followed through to matching Pioneros Dog Collars and leads to complete to set.