Gender:Women,Girl;Material:Cotton Blend;Sleeve Length:Half Sleeve Size:S Shoulder:65CM/25.6" Sleeve:30CM/11.8" Length:75CM/29.5";Size:MShoulder:65CM/25.6" Sleeve:31CM/12.2" Length:76CM/29.9" Size:LShoulder:65CM/25.6" Sleeve:32CM/12.6" Length:77CM/30.3";Size:XLShoulder:65CM/25.6" Sleeve:33CM/13.0"Length:78CM/30.7" It's a very lightweight and soft fabric; Washed it in the machine and it was fine but use the gentle cycle; It is white and very comfortable; If layerd over a warm shirt you could wear it year round; Since we are in Asia size, so when you get on the problem size clothes, please contact us by e-mail, after we confirm the problem will make up your loss; if more than the estimated income date not received item, please contact us and we will solve the problem to protect your interests,thank you for your supporting