From the website: Keep it cool on the job with Dickies Women's FLEX Cooling Short Sleeve Coveralls. Our Temp-iQ® adaptive technology responds to your body temperature for advanced cooling when the conditions heat up. These coveralls are constructed from comfortable, lightweight fabric, offering breathability in hot weather. Our FLEX fabric lets you move with ease, with an elasticated waistband for added freedom. Built to resist wear and tear, the fabric is embedded with stain resistance. Enjoy plenty of storage for your essentials with two front and back pockets and two hip pockets. A full zip front and secure snap closures allow easy access.