Christenson Ocean Pro 3 6'1 Surfboard - Futures6'1" x 20" x 2 5 8" 33. 06L The OP3 is a high performance swallow tail board designed for stomach to DOH surf. This is our most versatile and user friendly performance model in the OP series favored by our pros, amateurs, and novices alike.. The plan shape is very consistent with timeless curves and a very balanced rocker suited for a variety of conditions. The recommended length is 0 1 shorter than your height. This model is highly recommended for