Shade sail with structure made of SAE 304 stainless steel with mirror-polish finish. Manufactured with a triangular, square, rectangular or trapezoidal shape. Grecale is a fixed sail which is easy to mount thanks to a tackle positioned inside the pole and complete with anti-wind spring. The height of the sail with respect to the ground is adjusted by means of a mobile collar, sliding along the pole, and equip- ped either with block to be fitted to the tensioning pole or with stopper to be fitted to the pole. Structure and shade sail are delivered separately.