Weatherproof Vintage Blue Grid Performance Short Sleeve Button Down Shirt XL Weatherproof Vintage Performance button down shirt in a blue and white grid pattern. This short sleeve top features a button-down collar, a single chest pocket, and a full button front. Constructed from 100% polyester performance fabric. Size XL. Measurements: • Chest: 24.5" (49" doubled) • Length: 31" In great pre-owned condition.