Columbia Womens Medium Long Sleeve White Omni-Shade Sun Protection Hiking Shirt. This technical button-up is designed for outdoor performance, featuring a lightweight ripstop fabric with Omni-Shade sun protection. It includes a zippered chest pocket for secure storage, mesh-lined back venting for breathability, and stretch side panels for enhanced mobility. Material: 100% Polyester (Shell), 86% Polyester 14% Elastane (Side Panels) Features: Omni-Shade Sun Protection, Zippered Pocket, Vented Back, Ripstop Fabric Neckline: Collared Fit: Regular Pattern: Solid / Subtle Grid Occasion: Hiking, Travel, Outdoor Style: Activewear Measurements: • Front Length: 23.5" • Back Length: 25.5" • Sleeve Length (from pit): 20" • Pit to Pit: 18.5" (37" doubled) • Shoulder to Shoulder: 15.5" (31" doubled) • Bottom Width: 20.5" (41" doubled) Please see pictures.