4.5 oz.; 60% Poly/ 30% Cotton/ 10% Rayon; X-Temp adaptive finish and Fresh IQ Odor Control; 40+ UPF Rating; 60% Ploy/ 30% Cotton/ 10% Rayon; 1x1 ribbed, mitered v-neck collar; Tag Free neck label; Self-fabric shoulder-to-shoulder taping; Flattering side seam shaping (same fit as 42V0)