The O'Brien Paradigm wakeboard forges a unique union between wake and park riding, a board equally at home shredding rails or boosting off the double up. Featuring O'Brien's Fusion core with top to bottom full-length wood stringers, the Paradigm utilizes a heavily ribbed cross-section and tapered geometry to control the flex of the board. The result is a wakeboard that is stiff through the midsection with flexible, snappy tips that allow the rider to carve with incredible energy and accelerated boot off the wake. With HDPE (High Density Polyethylene) base and rails, the Paradigm wakeboard is as durable as they come and is quickly becoming a favorite on the water. Paradigm 129: 50.78"L x 16.75"W. For 65-145 lb. riders. Paradigm 134: 52.8"L x 16.93"W. For 90-170 lb. riders. Paradigm 139: 54.7"L x 17.13"W. For 140-220 lb. riders. Paradigm 144: 56.7"L x 17.33"W. For 170-250 lb. riders.