Although college students often come to class dressed in sweatpants and a hoodie, there are certain presentations or events that require professional attire. When it comes to dressing the part, expensive dress pants and stuffy blazers are often standard. However, there are other, more innovative, options available.

From blood, sweat and tears to the “best thing to ever happen,” four startup founders divulged the often-veiled hardships that come with fledgling companies, all the while boasting about the triumphs...