SIZE&CARE: Each size corresponds to an age range: size 4 (3-4years), size 6 (5-6years), size 8 (7-8years), size 12 (9-10years), size 14 (10-11years), size 16 (11-12years), size 18 (12-13years).Machine washable and quick-drying for convenient maintenance FABRIC: Crafted from a blend of 98% polyester and 2% spandex, this shirt offers a soft, breathable feel with just the right amount of stretch for all-day comfort. FEATURE: Boys casual summer shirt, unique durable buttons,Short Sleeve design, button-down closure,solid color,cute classic botton up shirts for little and big boys. MATCHING: Boys Short Sleeve Shirt Perfectly Match with Denim Shorts, Casual shorts, Khakis, Jeans, Trousers, Chino Pants, Slacks. He can also wear it with a tank top or a t-shirt underneath. OCCASIONS: It is perfect for casual and formal occasions, perfect for school, summer lounging, Hawaiian beaches, holidays, travel, birthday parties, family gatherings, and everyday casual wear.