Florence Marine X Airtex Short Sleeve Shirt The Florence Marine X Airtex Short Sleeve Shirt is a lightweight technical top built for high-output activity in warm conditions. Next-generation AIRTEX fabric combines covert mesh construction with engineered stretch for increased breathability and comfortable freedom of movement. Up to UPF 50+ sun protection and an antimicrobial treatment add performance for running, hiking, biking, sailing, training, and other active pursuits. It fits true to size with a slightly trimmer feel than a standard T-shirt, so size up for a looser fit. Details Material: 50% recycled polyester, 50% polyester Fit: True to size with a slightly smaller fit than a standard T-shirt - size up for a looser fit Sun Protection: Up to UPF 50+ Fabric: Lightweight and breathable AIRTEX covert mesh Performance: Engineered stretch for comfortable movement during high-output activity Freshness: Antimicrobial treatment helps maintain freshness during active use Features: Reflective EQUIPMENT MODERN heat transfer and yellow utility locker loop for hanging to dry