The H2X-Dry polo are action silhouette sport polo shirts for men that feature the moisture-wicking technology from Stormtech: H2X-DRY®--keeps you cool and dry, fit for another run. A 3-button placket and a self-fabric collar are designed to keep their shape after washing. Product Specifications STORMTECH H2X-DRY® Moisture Management 3-Button Placket Self-Fabric Collar Mechanical Stretch Set-In Sleeves Side Hem Slits Double-Needle Stitching at Cuff and Hem 100% Full Dull Polyester with Permanent H2X-DRY® Moisture Wicking, 4.28oz. (USA) / 145g (CDN) Sizing PS-1 S M L XL 2XL 3XL 4XL 5XL 1/2 Chest Width (1" below armhole, flat measure) 51.00 54.50 58.50 62.00 66.00 70.00 73.50 77.50 Back Length (centre back neck seam to hem) 69.00 72.00 74.50 77.00 79.50 80.50 82.00 83.00 Sleeve Length (CB neck to SP, to cuff) long 47.00 49.50 52.00 54.50 57.00 58.50 59.50 61.00 > All measurements are in centimetres, based on a flat measurement and subject to an acceptable tolerance.