Business casual is defined accordingly:
For gentlemen, business casual attire includes collared shirts, turtlenecks, and knit or golf shirts with collars, tucked into tailored trousers or khakis. Jeans are permitted in dark denim dress jeans without rips or holes. Denim must be a dark wash or black. No low, tight, baggy, or faded jeans are permitted. Conservative or fashionable footwear, but athletic footwear is not permitted.
For ladies, business casual attire includes blouses, sweaters, shirts with collars, tailored skirts, slacks, leather pants, and dark denim jean pants without rips or holes. Denim must be a dark wash or black. No low, tight, baggy, or faded jeans are permitted. Conservative or fashionable footwear, but athletic footwear is not permitted.