This is a NWT Xieerduo Fashion Blouse - Size medium. CHEST: 40" SLEEVES: 24" LENGTH: 30" MATERIAL: UNKNOWN LIGHTWEIGHT SWEATER MATERIAL S0170 Lightweight sweater blouse, Work-appropriate sweater blouse, Casual sweater blouse, Lightweight sweater top, Versatile sweater blouse, Sweater blouse for work, Sweater blouse for casual wear, Lightweight work blouse, Lightweight casual blouse, Work-friendly sweater blouse, Lightweight office blouse, Casual office sweater blouse, Sweater blouse for everyday wear, Versatile work sweater blouse, Lightweight sweater shirt, Casual sweater top