Mountain Hardwear Machala Tank synthetic A moisture wicking, fast drying stretch fabric ensures that sweat does not hold you back during your workout. An integrated shelf bra with adjustable straps ensures a perfect fit and superior support. In addition, the Mountain Hardwear Women's Machala Tank has high side slits for ease of movement. The Mountain Hardware Women's Machala Tank is available in sizes XS through XL. A variety of solid colors is available.