COASIS Women's Chunky Block Heels Open Toe Ankle Strap (Style N1MB)
COASIS Women's Chunky Block Heels Open Toe Ankle Strap (Style N1MB)
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In this review of the COASIS Women's Chunky Block Heels Open Toe Ankle Strap 3.5 in Heeled Sandals, the bottom line is simple: these are a stylish option for events where appearance and steady support matter more than all-day wide-fit comfort. The sandals deliver a noticeable fashion lift with a stable 3.5 in block heel and a neat ankle strap, making them a solid choice for weddings, proms, or nights out. They are best for wearers who want an elegant silhouette and slip-resistant footing, though those with wide feet may find the fit narrow after extended wear.
Key Features
- Heel Height: The 3.5 in block heel gives visible lift while remaining steadier than slimmer heels for controlled steps.
- Platform Base: A 0.25 in platform reduces the effective heel angle, helping to ease pressure on the forefoot during short to moderate wear.
- Comfort Construction: A 3 mm soft latex midsole and PU insole follow the foot's natural curves to add cushioning from day to night.
- Slip-Resistant Sole: The rubber sole is wear-resistant and non-slip, providing better traction on common surfaces and additional heel support.
- Secure Fit: An ankle strap keeps the foot positioned on the footbed for steadier walking at events or on stairs.
Who It's For
The sandals suit someone looking for an affordable, dressy heeled sandal to wear to formal events, dates, or work functions where a neat, elevated look matters. They work well with prom dresses, skirts, and tailored outfits where a chunkier heel complements the silhouette.
Shoppers who need wide-width comfort, significant arch support for long days on their feet, or cushioning for extended standing may want to consider other options; some customers reported the fit becomes uncomfortable after several hours, particularly for wider feet.
Pros & Cons
Pros
- Stylish block heel and ankle strap create a polished, formal look that pairs well with dresses.
- Stable 3.5 in heel and 0.25 in platform make walking easier than with a stiletto of similar height.
- 3 mm latex midsole with PU insole offers noticeable cushioning compared with thin dress sandals.
- Rubber sole provides wear-resistance and improved slip resistance for safer steps.
Cons
- Fit is somewhat narrow for some wearers and may cause discomfort after extended wear for wider feet.
- Durability reports are mixed, so longevity may vary by usage and care.
Specifications
| Brand | COASIS |
| Heel Height | Approximately 3.5 in |
| Platform Height | Approximately 0.25 in |
| Insole | 3 mm soft latex midsole with PU insole |
| Sole | Rubber slip-resistant sole |
| Style | Open toe ankle strap chunky block heel sandal |
Our Verdict
The COASIS chunky block heel sandal is a good value pick for anyone wanting a stable, attractive heeled sandal for special occasions and shorter wear periods. Its combination of a 3.5 in block heel, modest platform, and cushioned midsole gives an elegant look with practical traction, though those needing wider fit or long-day comfort should consider alternatives.
Frequently Asked Questions
Are these true to size?
Many customers report they run true to size overall, but some with wider feet find them snug after a few hours.
Are the soles slippery?
The rubber sole is designed to be wear-resistant and non-slip, offering better traction than smooth dress soles.
Can these be worn all day?
They are comfortable for events and moderate wear thanks to the 3 mm latex midsole, but extended standing or walking may cause discomfort for some users.
Editor's Take
The COASIS chunky block heel sandal is a strong value for event wear, offering a stable 3.5 in heel, cushioned midsole and slip-resistant sole; suitable for formal occasions but may feel narrow for wider feet.

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