These unique portable folding sails are used in conjunction with skates and boards of all types by kids and adults of all ages. From summer In-line skate sailing to winter Snowboard sailing, discover the fun of using the power of the wind for free, ecological (green) energy. Other possible modes of transport include Skateboards, Mountainboards, Skate shoes, Snow skates, Ice skates, the possibilities are endless. Other skate sails cost hundreds of dollars and are rigid. This sail design folds down in seconds and weighs only a few pounds.