Cressi Piovra XL BagPiovra XL Bag The Piovra backpack bag is perfect for sport spearfishing equipment. It is made of water repellent DRY material, even if not watertight. The main compartment, with breathable anti moisture mesh at the bottom, can accommodate freediving fishing gear, such as wetsuit, long fins (up to 100 cm 39. 37 in), mask, mouthpiece, belt, knife and various accessories. The secondary compartment, i. e. the outside pocket, is as a cool type refrigerator