![2021 Severne S-1 Pro - OceanAir Sports](http://oceanairsports.com/cdn/shop/products/2021s-1pro_{width}x.jpg?v=1615919559)
The S-1 Pro is the ultimate 4 batten wave sail! Membrane and seamless technology make the S-1 Pro not on the lightest wave sail on the market, but also gives it incredible durability. The S-1 has more back hand pressure compared to the Blade pro. It's designed for maneuverability and wave riding.