The Fermob Alize Stackable Sunlounger takes its name from the French word for tradewind. It is suitably light and airy, with a clean aluminum frame topped by translucent Outdoor Technical Fabric (OTF, a durable and comfortable material made of polyester coated with PVC). Both the backrest and footrest are adjustable for customizable lounging and relaxation. Stackable up to 15 high.