Mens Core Zero Framwork
"I love this material & style of tank. The cropped is the perfect height & the design is fun. I wish it came in more colors & other designs."
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Boston is more than 26.2.
It’s the quiet focus before the start. The surge of cheers through Wellesley. The grind up Heartbreak. The final turn onto Boylston when you find one more gear.
The Unicorn Standard – Boston Core Zero Women’s Tank was built for that kind of day — and every mile that builds toward it.
Crafted from our lightest-weight performance knit, this tank feels nearly weightless. It’s unbelievably soft with effortless stretch, and the subtle grid texture works to pull sweat off your skin while staying ultra-breathable. When the effort rises, it keeps you cool and dries insanely fast.
The classic, full-length, streamlined cut with a racerback gives you a singlet designed to move with you — never against you. No distractions. No cling. Just smooth, fast comfort from first mile to finish line.
Light. Fast. Ready for big-mile moments.
Boston is built in the training. This is the tank for all of it.
This tank fits true to size.
Cold wash separately before first use. Tumble dry low. Do not iron or bleach.
92% polyester 8% spandex
Our most premium performance fabrics. A knit, engineered to let heat out and wick sweat away quickly. Bonus points for beings softer than a pillow.
Overall rating: 4.6410255 / 5 from 39 reviews.
The Womens Core Zero Running Tank is praised for its beautiful design and great fit, making it a popular choice among customers. The tank is noted for its high-quality material and perfect fit, which meets various needs.
Review topics: ["fit","material","quality","shirt","fabric","design","tank"].
"I love this material & style of tank. The cropped is the perfect height & the design is fun. I wish it came in more colors & other designs."
"I really like the patriotic theme and the tank feels comfortable and fits well. Definitely a moisture wicking material that will be great for hot weather running."
"Love this brand! 🫶🏻"
"Too small reordered"
"Cute flowered print and an excellent light fabric for hot summer runs. Size up if you like a loose fit."
"Lived up to my expectations of a cute tank for my husband. Fit well"
"Super excited to wear this for my upcoming spring marathon. Perfect loose fit and lightweight. Bought a large and fits true to size."
"I typically wear a small, i dont like skin tight toos so i sozed up, its still pretty snug but really nice quality and perfect arm sizing."
"First time trying the tank, love the material, I did size up based on other reviews and I like the fit."
"Love the tank sized up based on other reviews but i dont think it was needed couldve definitely ordered my normal size. But still the coolest tank i own now."