Costa MainsailMainsail XL is a direct size extension of one of our best selling Hybrid Frames, Mainsail, providing a broader reach of water explorers the same functionality, versatility and aesthetic theyve come to love. Micro side shields and hooding provide a heightened level of coverage, minimal light leak and protection from the elements. Vented nose pads increase ventilation across the frame, reducing the risk of fogging. Retainer ready temple tips allow users