The Thermaflex LongJohn 1.5mm #133800 is perfect for those looking to stay cozy while sailing in moderate climates. Designed with upgraded mid-lightweight Thermaflex neoprene, it offers an enhanced fit for maximum comfort and performance. The eco-friendly materials make you feel good about your choice, whether you're layering up for colder weather or enjoying a day out on the water. Benefits Upgraded Thermaflex neoprene for improved insulation Enhanced fit through shaping to body and legs Eco-friendly fabric choices Triple-layer relief flap to minimize water entry Compatible with Pro Hike Pads for added versatility This sailing essential is crafted from mid-lightweight Thermaflex neoprene, ideal for temperatures between 12-20 degrees. It features a carefully improved fit for the body and legs, prioritizing both comfort and environmental impact. The design now includes a triple-layer relief flap, reducing water inlet for a drier experience on the water. Our Part # ROO133800 | Mfr. Part # 133800