On an early morning climb, hike, or run, and the heat's already working against you? That's when the lightweight Women's Beta Tank Top comes in handy. Quick-drying, moisture-wicking AirExchange fabric offers exceptional breathability and keeps you comfortable even if you break out in a sweat. Its sleeveless style won't weigh you down or interfere with mobility, and the mesh racerback detail blends in with your sports bra.Features AirExchange performance fabric is lightweight and breathable, allowing more air to pass through for increased comfort Quick-drying and moisture-wicking performance keeps you dry Racerback detail Shirttail hem for increased coverage Specs Fit: Semi-Fitted Main materials: 90% Recycled Polyester 8% Elastane 2% Polyester Stripe Jersey Knit Solid 4.31 oz/yd | 100% Polyester Print Knit Mesh 1.71 oz/yd Weight: 0lbs 3.17oz (89.9g)