5 oz., 65/35 poly/cotton blend; Light Steel: 90/10 poly/cotton blend; 50+ UPF protection; X-Temp adaptive finish and fresh IQ advanced ordor proctection technology; Shoulder-to-shoulder neck taping; Oversized pencil stitch pocket; Extra length in body and sleeves for coverage; Reinforced armhole stitching for durability; Tag-free for added comfort; Lay-flat collar for shape retention and durability;