GROM is the high performance wave sail specifically designed for kids. Now with a 3 batten construction, a twisting head and a loose leash, GROM has the same performance as an adult but sail in a scaled down format. All the sizes are easy to rig and downhaul. The GROM is built tough to withstand the rigors of learning and improving your windsurfing, and with the customized rigging components learning windsurfing has never been easier. So when your kid is ready to take windsurfing to the next level, GROM will take them there.