REI short sleeve button-up shirt features a classic plaid pattern in yellow, grey, and white, designed for outdoor performance and comfort. This technical top is constructed with a breathable mesh-lined back yoke and underarm gussets to enhance airflow during active use. The lightweight stretch fabric provides mobility, while the dual chest pockets with hidden snap closures offer secure storage for small essentials. Brand: REI Style: Sahara Button Down Size: XL Color: Yellow/Grey/White Plaid Material: 94% Polyester, 6% Spandex Chest: 25" (50" doubled) Length: 30" Sleeve: Short Sleeve Features: Mesh Ventilation, Stretch Fabric, Moisture Wicking Closure: Button Front Pockets: Two Chest Pockets Pattern: Plaid/Checkered Keywords: Gorpcore, Hiking, Camping, Outdoors, Technical, Performance, Utility, Travel, Breathable, Lightweight, Summer, Activewear Please review measurements shown in the pictures to ensure a proper fit.