Champion Big & Tall Men's Vapor Performance T-Shirt Pieced Big & Tall Men's PowerTrain Tech Performance Pieced T-Shirt with moisture-wicking Vapor technology. Sleeves and Sides have Contrasting Heather Gray color panels. Full Cut and Sized Properly for Big & Tall Men. 100% Polyester - Lightweight. Main body fabric is tightly woven and has a dull shine in appearance. See HAND MEASUREMENTS chart in the photo gallery for each size's measurements.