From the manufacturer

A QUICK-DRYING, PERFORMANCE MOUNTAIN BIKE TANK TOP

With style and performance that works on and off the bike, the Women's Ranger drirelease® Tank has a soft feel and relaxed fit which conceals advanced moisture-wicking technology. It keeps you comfortable on the trail while providing the cooler properties of a tank top. Featuring drirelease®, the jersey wicks sweat, dries quickly so you can take a ride on your lunch break and get away with it.

• drirelease® yarns wick moisture and dry four times faster than cotton
• Full garment utilizes recycled fabrics
• 85% recycled polyester, 15% regular cotton