PLAYTEX Womens 18 Hour Side & Back Smoothing Wireless Bra (Style 45US)
PLAYTEX Womens 18 Hour Side & Back Smoothing Wireless Bra (Style 45US)
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In this review of the PLAYTEX Womens 18 Hour Side & Back Smoothing Wireless Bra the bottom line is clear: this bra is for someone who wants reliable all-day smoothing and wire-free comfort without sacrificing support. The TruSUPPORT system focuses on extra side and back shaping, and the moisture-wicking cups help keep you cool through a long day. It reads as a practical choice for everyday wear, especially under T-shirts, and the combination of cushioned adjustable straps and a classic hook-and-eye closure makes it an easy pick for shoppers prioritizing comfort and discreet shaping.
Key Features
- Side and back smoothing: Built-in extra support panels reduce bulge along the sides and back for a sleeker silhouette under fitted tops.
- Moisture-wicking cups: Fabric in the cup area pulls moisture away from skin to help you stay cool and comfortable during long wear.
- Wire-free comfort: Non-foam, wire-free cups provide shaping and support without the pressure or digging of underwires.
- No-slip adjustable straps: Cushioned Comfort Straps are adjustable and designed to stay in place to prevent irritation or slipping.
- Sleek appearance: Smooth, low-profile cups disappear under tees and clingy tops for a polished look.
- TruSUPPORT 4-way system: Support is distributed across the cups, sides, back and straps for balanced lift and stability.
Who It's For
This bra suits women seeking a comfortable, everyday t-shirt bra that tucks in extra side and back support without wires. It works well for those who value discreet shaping under fitted clothes and want moisture-wicking fabric in the cups to stay comfortable on warmer days or long outings.
Shoppers who need very precise sizing or prefer very soft, flexible fabric may want to try on before buying, since sizing feedback is mixed and some users found the material firmer than expected. Those who need strong underwire lift or dramatic shaping should look elsewhere.
Pros & Cons
Pros
- Comfortable wire-free design that still provides dependable support across the cup and band.
- Smoothing side and back panels create a neater silhouette under fitted garments.
- Moisture-wicking cup fabric helps keep you cool during extended wear.
- Adjustable, cushioned straps reduce shoulder pressure and resist slipping.
Cons
- Sizing runs mixed for some customers, so finding the best fit may require trying different sizes.
- Some wearers find the material a bit firmer than expected rather than very soft.
Specifications
| Brand | Playtex |
| Style | 18 Hour Side & Back Smoothing Wireless Bra |
| Support system | TruSUPPORT 4-way support (cups, sides, back, straps) |
| Cup design | Wire-free non-foam cups with moisture-wicking fabric |
| Straps | Adjustable Comfort Straps, cushioned and no-slip |
| Closure | Classic hook-and-eye back closure |
| Pack options | Available single and 2-pack |
Our Verdict
The PLAYTEX 18 Hour Side & Back Smoothing Wireless Bra is a solid everyday bra for anyone who values comfortable, wire-free support and discreet smoothing under tees. It represents good value for shoppers who want moisture-wicking cups and cushioned straps, though those sensitive to firmer fabrics or with uncertain sizing should try it on to ensure the right fit.
Frequently Asked Questions
Is this bra wire-free?
Yes, the bra uses non-foam, wire-free cups to provide support without underwires.
Does it help reduce back bulge?
Yes, the design includes extra side and back support panels intended to smooth the silhouette under fitted clothing.
Will it keep me cool all day?
The cups use moisture-wicking fabric to help manage sweat and keep you feeling cooler during extended wear.
Editor's Take
The PLAYTEX 18 Hour Side & Back Smoothing Wireless Bra is a reliable everyday choice offering wire-free support, side and back smoothing, and moisture-wicking cups; good value for shoppers who want comfortable, discreet shaping.

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