BREATHABLE BASE LAYER. With a tight fit and sweat-wicking technology to help keep you dry and comfortable, the Nike Pro Women's 3'' Shorts are an ideal base layer for all your training needs. Their wide elastic waistband provides a secure fit and features a bold NIKE PRO graphic. Nike Pro fabric helps you feel locked in and cool. Wide elastic waistband provides a secure fit. 3'' inseam lets you move freely.