This is a Halmeku relaxed long shirt. It's made of sturdy fabric and is not see-through. I've worn it a few times, but it's in good condition. The size is L. It has a very relaxed fit. It can also be used as a light jacket. ↓ Quoted from the Halmeku website: A fluffy silhouette is smartly tightened with the collar and sleeves. Simple shirts are difficult to wear. This shirt covers the body line with a relaxed body. The small collar makes the face area look neat, and the sleeves are narrowed from the elbows to the cuffs, and the slits on both sides aim for a leg-lengthening effect, making you look slimmer. ■ Size (measured by a amateur) Width 61cm Length 81cm Sleeve length 56cm Shoulder width 51cm ■ Material / 65% polyester, 35% rayon ■ Front 8-button opening (fly front) / Cuffs with 3 buttons / Left chest pocket / Side slits ■ Washing instructions: Hand wash ○ Washing machine ○ Dry clean ○ Season: Spring, Autumn Pattern/Design: Stripes. Immediate purchase OK! No pets! No smokers! Anonymous delivery!