Glimmer long-sleeved dry T-shirt. Size: 140cm. Material: 100% polyester, quick-drying. I buy several of these in different colors every year, but this one was never worn. I often had my child wear this type for summer field trips and other occasions where long sleeves were required. It's very useful. I'm sorry, I don't know the weight (in ounces) exactly, but it's suitable for wearing in the summer mountains or on summer nights. - Brand: glimmer - Color: Blue - Size: 140cm - Material: 100% polyester - Style: Dry T-shirt Thank you for looking.