NWOT Theory Gray classic Betty sheath dress knee length 8

Theory Betty dress Size 8 New with out tags. Purchased took tags off and realized I bought the 6 instead of 6. Was not able to return without tags. Never worn. Slight stretch Seasonless lightweight wool. Lined. Measurements: Underarm to underarm 17” Waist 15” Hip area 18.5” Length from shoulder 37”