Icebreaker 200 ZoneKnit Energy Wind Long Sleeve T-Shirt - Men's Black Extra Large. Specifications for Icebreaker 200 ZoneKnit Energy Wind Long Sleeve T-Shirt - Men's: Manufacturer: Icebreaker Sleeve Length: Long Sleeve Age Group: Adults Apparel Fit: Regular Gender: Male Color: Black Application: All Purpose Fabric/Material: 100percent Merino Wool Weight: 28.34 oz Fire Resistant: No Features of Icebreaker 200 ZoneKnit Energy Wind Long Sleeve T-Shirt - Men's ZoneKnit - Engineered body mapped technology to regulate your body temperature and let your skin breathe?during high-intensity activity Cool-Lite - A lightweight and breathable fabric blend that is designed to help manage sweat Eyelet mesh back and sleeves for ventilation Offset shoulder seams to prevent friction Package Contents: Icebreaker 200 ZoneKnit Energy Wind Long Sleeve T-Shirt - Men's Icebreaker IB0A56VF001XL: 200 ZoneKnit Energy Wind Long Sleeve T-Shirt - Men's Black Extra Large