Nike Flex Training Pant Women's Running Apparel Obsidian/Black : The Nike Flex Training pants for ladies offer a super sleek silhouette and a premium feel like no other. These lightweight pants move right along with you on the way to the studio,during your training, running, or just for a quick trip to run errands. Mesh lined pockets offer convenient storage and excellent breathability. Skinny Fit. Nike logo featured at left thigh. Breathable waistband provides enhanced fit. Anti-abrasion labeling reduces irritation. Features side pockets with mesh lining.