100% Polyester. Fabric: Interlock, Knitted. Design: Contrast Detail, Plain. Pockets: 2 Zip Pockets. Fastening: Front Zip, Semi-Auto Lock Zip. Neckline: Funnel Neck. Sleeve-Type: Long-Sleeved, Raglan. Hem: Open. Cuff: Ribbed. Autolock Slider, Contrast Zip, Tearaway Label. Fit: Slim. 250gsm. Sustainability: Amfori, BSCI, WRAP Certified. 4XL: 54 in. Finden & Hales Men's Knitted Tracksuit Top in Navy Size: 4XL