Evolution Tank Essentials
How It Fits
Designed for cup sizes A to DD. It'll fit soft and snug with powerful construction that lifts the chest for secure, wire-free support.
Body: 62% nylon, 38% spandex
Lining: 92% nylon, 8% spandex
Machine wash cold with mild detergent, do not bleach, lay flat to dry.
Tech To Take
Your Life Back
We're done with uncomfortable underwear. With 4-way stretch fabrics, your Knix move and mold to your shape.
Each Knix product is tested by 1000s of real women to make sure it's ready for your real life.
Moisture-wicking. Anti-odor. Quick-dry. Because we know what it takes to conquer your day.
Our 30 Day Guarantee
Wear it. Wash it. Love it. All of our bras, tanks, and tops are covered by a 30-day money-back guarantee. If you're not in love, we'll take it back, no questions asked.
Evolution Tank Reviews
Q & A
Q: Is there a way to sign up for a waiting list, or some kind of notification when XL is back in stock? Will they be back in stock?
A: Yes! You should have the option to sign up for a Back in Stock notification located under the product page.