Cool Clothes for Girls to Express All Their Awesomeness. What she wears matters because clothes shape self-perception. That’s why we design STEM clothing that celebrates girls’ passion for science, math, and leadership. Our STEM clothing for girls is designed to empower and inspire her so she can have the confidence to be anything she chooses. We take great pride in providing cool clothes for girls with positive messages that parents and kids alike are sure to love! .If you are looking for cool clothes for girls, check out the inventory at How I Girl! How I Girl specializes in STEM clothing, which promotes science, technology, engineering, and mathematics for girls of all ages. The hope is that the messages on each shirt will empower girls to embrace themselves and plan for a bright future. The founder of How I Girl is an entrepreneur and mother who understands the importance of spreading a positive message for young girls. These cool clothes for girls teach girls to be scientific, fierce, and a leader. Each piece of clothing comes with free shipping and free returns when you order from the website. Order your cool clothes for girls from How I Girl today!