Lululemon's Wunder Train pants are leggings that are supportive, breathable, and sweat-wicking: Supportive: The four-way stretch with Lycra provides a good hold without feeling restrictive. Breathable: The fabric is designed to pull sweat away from your skin. Sweat-wicking: The fabric dries quickly so you don't feel sticky or have sweat marks. Fast-drying: The Everlux fabric is made to dry quickly. Adjustable: The waistband has a drawcord so you can adjust the fit. Hidden pocket: The waistband has a hidden pocket for your keys or card. Shape retention: The Lycra fiber helps the leggings retain their shape. Soft and brushed: The outside of the leggings is soft and brush