Dolfin is a nationwide swimwear manufacturer, founded and operated in Pennsylvania for over 70 years. We specialize in compet ... ition swimwear, Lifeguard and Aquatic Fitness swimsuits. Dolfin Uglies practice suits are the #1 practice suit in the country, and have a loyal following in Europe and Australia as well. With the combination of our innovative designs, top quality products and competitive pricing, Dolfin is a constantly growing competitor within the swim industry. read more