2XU long sleeve shirt. I am selling it because I haven't used it much. The Aero 1/2 Zip is lightweight and features a breathable mesh material on the back, and easy neck and sleeve adjustments, making it comfortable whether it's hot or cool. ◆ 1/2 Zip Long Sleeve ◆ Stand collar ◆ Hybrid raglan sleeves. ◆ Moisture-wicking jersey used on the front and arms. ◆ Lightweight, breathable mesh back panel ◆ Thumbholes at the cuffs. ◆ Reflective logo and trim