Even though you put in the grunt work, sometimes you just got to spell it out for them. It's super smooth, super comfortable, and made from a cotton touch polyester jersey... Time to kick some Alpha Sierra Sierra ladies! • 95% polyester, 5% elastane (fabric composition may vary by 1%) • Premium knit mid-weight jersey • Four-way stretch fabric that stretches and recovers on the cross and lengthwise grains • Regular fit