Raglan sleeves provide excellent range of motion. Thumbholes help keep sleeves in place and hands warm. Back neck tape for durability. Zippered pocket on back-right hip stores small items. Additional reflective elements for enhanced visibility in low light. Material shirt: 53% lyocell, 39% polyester, 8% elastane Panels: 100% polyester In a Medium this shirt measures 27 inches from neck to bottom edge of shirt. It measures 20 inches across the chest and 31 inches in the sleeve.