ganjing, zhengjie is a must, xiu xian fu/ku is good, pixie also ok, but blue jeans should avoid---only allowed on Friday (casual day here!), any cloththes (pants) with holes or patches are not allowed;
speaking of tshirt, he shang ling not ok, must have collar, for example golf tshirt
speaking of tshirt, he shang ling not ok, must have collar, for example golf tshirt