AZAR MAN TAILORED / SLIM FIT SOLID SPREAD COLLAR COTTON BLEND (Model Wearing Size Small) Elegant, slim / tailored fit formal shirt by AZAR in high-quality cotton with a spread collar, French cuff convertible, and versatile for tie or bow tie use. Slim / Tailored Spread collar with included collar stays French cuffs convertible Rounded hem How to Measure Your Neck Size 1Wrap the measuring tape around the neck, beginning at the Adam’s apple. 2Come fully around the neck, leaving no dangling space in between the neck and the tape. 3Note the measured number. This is the actual neck size. The dress shirt size will be half an inch bigger. For example, if you measure your neck to be exactly 15 inches (38 cm) around, then your dress shirt size will be 15½ inches (39,5 cm). Your neck size should range between about 14 – 19 inches (35,5 – 48,3 cm).