The material is most likely silk

One Button
No Flaws

Made in USA

There are "pulls" throughout the suit which is the style of the fabric

Jacket size is estimated based on measurements

Jacket Measurements

Size: 38S

Shoulder to Shoulder: 17.5 inches

Sleeves: 23.25 inches (+2 inches)

Base of Collar to Bottom of Jacket: 29.125 inches

Pit to Pit: 20.625 inches

Waist (Across Top Button): 19.875 inches

Center Vent

Standard Cuffs

Pants Measurements

Waist: 34 inches (no extra fabric at waist)

Inseam: 29 inches (2.625 inches of extra fabric at hem)

Hip Width: 42 inches

Thigh Width: 25.5 inches

Front Rise: 12 inches

Hem Width: 7.75 inches

Flat Front

No cuffs