Z SUPPLY Flex Sleeveless Muscle Tee
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An instant outfit-maker. Crafted from soft Cotton Jersey with a relaxed fit and an effortlessly cool muscle-tee silhouette, this style brings an easy edge to denim, trousers, or anything in between. Side slits add movement, while the clean shape keeps the whole look feeling laid-back.
- Regular fit
- Cotton Jersey: 100% Cotton
- Crew neck
- Short sleeve
- Machine Wash Cold, Gentle Cycle, Hang to Dry
1. What makes the Z SUPPLY Flex Sleeveless Muscle Tee unique?
This top blends a sporty muscle‑tee silhouette with Z SUPPLY’s signature soft, lightweight fabric. It’s designed for comfort, movement, and effortless styling—perfect for workouts, layering, or casual everyday wear.
2. How does the Flex Sleeveless Muscle Tee fit?
It features a relaxed, easy fit with wide shoulder coverage and a straight‑cut body. Most customers find it true to size, offering room without feeling boxy.
3. Is the fabric soft and breathable?
Yes. The Flex Tee is made from Z SUPPLY’s premium knit blend, known for being smooth, breathable, and lightweight, making it ideal for warm weather, workouts, and layering.
4. What makes the muscle‑tee silhouette flattering?
The wider shoulder line creates a balanced shape, while the sleeveless cut offers freedom of movement. It’s sporty, modern, and easy to pair with both casual and athleisure looks.
5. How do I style the Flex Sleeveless Muscle Tee?
This tee pairs effortlessly with:
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High‑rise leggings or joggers
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Denim shorts or jeans
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Lightweight jackets or shackets
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Sneakers, sandals, or casual slides
It’s a versatile staple for both active and everyday outfits.
6. Is this top good for workouts?
Absolutely. The breathable fabric and sleeveless design make it great for gym sessions, walks, yoga, or any activity where comfort and mobility matter.
7. Does the tee have stretch?
Yes. The knit fabric offers comfortable stretch that moves with you while maintaining its shape.
8. How do I care for the Flex Muscle Tee?
Wash on a gentle cycle in cold water and lay flat or hang to dry. Avoid high heat to preserve the fabric’s softness and prevent shrinking.
9. Is the silhouette flattering on different body types?
Yes. The relaxed fit, straight cut, and muscle‑tee shoulder line create a balanced, easy shape that works well on curvy, straight, and petite figures.
10. What occasions can I wear the Flex Sleeveless Muscle Tee for?
This tee transitions seamlessly between:
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Workouts
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Casual daytime wear
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Travel
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Layered fall outfits
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Weekend errands
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Athleisure looks
It’s a comfortable, sporty essential.
Return Policy
Return Policy
We have a 14-day return policy, which means you have 14 days after receiving your item to request a return.
To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.
How To Make A Return
To start a return online, you can contact us at ankeny@mainstreamboutique.com. Please note that the cost of the return is the customer responsibility and the item will need to be shipped to the following address:
Mainstream Boutique Ankeny, 1450 SW Vintage Pkwy, #150, Ankeny, IA 50023
To return the item in-store, come visit us at Mainstream Boutique Ankeny. Online orders can't be returned to other locations.
Refund Policy (Store Credit Only, No Refund to Original Payment)
Thank you for supporting our small business. As a locally owned boutique, we operate on limited inventory and carefully curated collections. Because of this, we do not offer refunds back to the original form of payment.
Instead, all eligible returns are issued as store credit, which never expires and can be used in-store or online. This allows us to continue bringing in new styles, maintain fair pricing, and keep our business sustainable.
To receive store credit, items must be:
- Unworn and unwashed
- In original condition with tags attached
- Returned within our stated return window
We appreciate your understanding and your support—it truly makes a difference for small businesses like ours.
Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.
Exchanges
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.
Exceptions / non-returnable items
Unfortunately, we cannot accept returns on sale items or gift cards.









