Two-in-one shorts with sweat-wicking, that's light, and perfect for all intensities that your run workout will entail. Fitted inner is 4-way stretch fabric that is sweat wicking and will keep you from chafing and will get a little tighter as your body heat increases. The outer is thin, light, and airy. Oh, and we have included a pocket for your keys, phone, or gels, so you can set out on your longer runs with ease.