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Billabong Knock Out Boardshorts: Ready to knock out the competition in the water and really make your mark? Follow in ASP World Champion Andy Irons footprints with his signature Billabong Knock Out Boardshorts. The combination of ultimate 4-way stretch technology and H2 REPEL water repellent coating eliminates absorption, friction and discomfort.
The Billabong Knock Out Boardshorts are made with 100% Polyester and feature Billabong’s Hydrostretch technology for maximum flexibility.
The Billabong Knock Out Boardshorts also feature a welt flap pocket.