The Solar Pro shirts are made perfectly of the highest quality fabrics. There were used two various fabrics. The arms and sides are constructed in extremely soft and stretchy polyester with spandex. It distributes moisture out adhering the body. The rest is made of UPF 50 polyester. It works as a superb sun ray barrier. The collar is can be picked up when the sun is brightly shining. There are two chest seamless and zippered pockets. We can store there fly boxes. There are two loops for mounting accessories nearby the pockets.