"Produce a detailed product description for a unisex cotton hoodie set comprising long-sleeved top and trouser bottoms in sizes S to XXL. Emphasize the leisurely aspect of this ensemble, suitable for a variety of relaxed settings. Elaborate on the fabric type, size range availability, and the hoodie style to appeal to potential customers seeking a comfortable and versatile outfit for casual wear. Craft a description that captures the essence of coziness and style."