The Dakine telescoping wind surf mast bag is ultimate accessory for the windsurfing season. With out the telescoping mast bag your mast of the windsurf rig you use to rip threw water sill be unprotected and will get damaged when your rig is not in use. In the early 1980's the Dakine company proved to it's competitors that it was the leading innovator of technical windsurfing accessory. Windsurfing is one of the most enjoyable past times life has to offer but it is expensive and if you don't keep your equipment protected it wont work properly. The Dakine telescoping mast bag will keep the mast protected threw the season elements.