O'Neill Wetsuits's Reactor-2 Frontzip sleeveless full farmer john style wetsuit is ideal for paddling and watersports where you want maximum upper body flexibility while keeping your core warm. With a long front zipper and UltraFlex neoprene, it's easy to put on and take off, and delivers the warmth and performance demanded by paddleboarding, scuba diving, and so much more. Neoprene zipper backing flap increases comfort, decreases wind and water leakage. Sleeveless design for complete mobility. Ideal for water exercise, physical therapy in a pool, etc. 1.5mm UltraFlex composite neoprene delivers stretch and warmth. Flatlock seam construction for durability and comfort. Wear with the Reactor longsleeve jacket for increased warmth and extend your season.