Features of the Icebreaker Women's ImPulse Training 3 Inch Short Recycled nylon fabric for breathability and optimal comfort in all conditions Lycra content for stretch and mobility Cool-Lite eyelet liner for faster wicking Corespun fabric for enhanced durability Internal Cool-Lite eyelet lined waistband for faster wicking and comfort Waistband with internal drawcord for adjustability Gusset for comfort and mobility Stash pocket inside liner of short Icebreaker reflective heat transfer logo Fabric Details 46% Recycled Nylon, 44% Nylon, 10% Lycra Lining: 51% Merino, 34% Tencel, 15% Nylon