Details, Size & Fit. Improveyour posture in this athletic-inspired button up enhanced with stretch. Made from machine washable Technical Cashmere™ so you can look sharp but feelsoft. Sleevedarts for a tailored fit. Flatseams for a naked feel against your skin. Eyeletsfor underarm ventilation. Fit: Runs true to size.Machine wash coldTumble dry on low.Model: Our model is wearing a size M top. He usually takes a Standard AU M size, and is 6'1" tall (185cm). Model Wearing: Size AU M.Material: 85% cotton, 9% cashmere, 6% elastane.SKU: KI649AA68OJJ.