Comfy two-piece set - gray

How relaxed is this 2-piece comfy set? The top has a ruched hem, making it fall just above the waistband of the trousers.

The trousers are a good long length. Can be worn by heights up to 1.75m.

Sizes: Onesize, can be worn from size S to XL.

Fabric composition: 50% viscose, 45% polyester & 5% elastane.

Washing instructions: 30 degrees.

Model is 1.67m and wears size Onesize.