Nike Womens Dri-Fit Elastika Keyhole Veneer Tank, Blue, Medium, 686107 455 Freedom to move. The Nike Elastika Keyhole Veneer Women's Training Tank Top updates a training favorite with crossback straps and perforations to keep you cool. Silky, sweat-wicking fabric offers a luxurious feel, and the loose fit gives you room to move. Dri-FIT fabric helps keep you dry and comfortable. Flat seams move smoothly against your skin. Perforations keep you cool. Stretch fabric, crossback straps and loose fit for exceptional range of motion. Rounded hem. Fabric: Dri-FIT 100% polyester.