The Wrangle sleeveless button down tech shirt is constructed with a lightweight, super comfortable 100% polyester ripstop fabric complete with AFBLOCK UPF 50 sun protection and AFGUARD stain release technology. Dual concealed pockets on the front seam to replace chest pockets. Equipped with vertical rear venting to help keep you cool in hot & humid conditions, Wrangle is the perfect button up shirt for a long day hunting big fish.