Absolute Apparel Thermal Long Sleeve T Shirt AA502 Product Features Thermal Underwear Mens (Unisex) Classic Fit 8 x 1 Drop Needle Interlock A High-Quality Long Sleeve Thermal T-Shirt With Breathable Yarns For Comfort & Brushed On The Inside To Help Keep Warmth In Sold In Retail Packaging Quality & Value Breathable Yarns Brushed On Inner Side Ribbed Construction Bound Neckline Double Stitched Hemline Cuffed Wristband AMFORI (BSCI), WRAP, OEKOTEX 100, SEDEX Washing Instructions 40 Degree Wash Line Dry Do Not Tumble Dry Medium Iron Do Not Bleach Do Not Dry Clean Fabric: 50% Cotton / 50% Polyester Weight: 180gsm Size: To Fit - S 35”-37” - M 38"-40” - L 41”-43” - XL 44”-46” - 2XL 47”-49” Please click on the size guide to check this style's sizes.