The On Women's 5" Running Shorts are made with a supportive inner brief and a lightweight woven outer layer. The 4-way stretch woven fabric is super smooth against the skin, while the supportive inner brief keeps you comfortable even over long distances. A perforated mesh back increases airflow, keeping your temperature regulated even when you're working hard. From first try on to the last mile, these shorts will exceed all your expectations as you blast through your goals. The On Women's 5" Running Shorts were designed for and by runners who know exactly what they need, when they need it.