Ocean Coast Mens Vented Shirt Size Med Coral Fishing Moisture Wick Button up

♨️Ocean Coast Mens Vented Shirt Size Medium Coral UV30 Fishing Moisture Wick Button Up There is a small discoloration on the back, shown in picture where I’m pointing. But it looks like it is in the material. Approximate Measurements (lying flat): Underarm to Underarm 24" Top of Shoulder to Bottom: 27" Reflective mark on back.