Mia | Women's Chunky Knee-High Block Heel Zipper Boots
Free U.S. shipping · 90-day returns · Taxes calculated at checkout
Color: Black
- In stock, ready to ship
Secure, encrypted checkout · Visa, Mastercard, Amex, Apple Pay, Google Pay
- 2 items10% off
- 3 items15% off
- 4+ items20% off
- 90-day returnsPlenty of time to decide
- Free U.S. shippingOn every order
- Designed in BostonShips from North America
- Fast, human helpEmail replies within hours
Women's Chunky Knee-High Block Heel Zipper Boots are your go-to choice for a bold, fashion-forward look this fall and winter. These knee-high boots feature a sturdy block heel, a chunky platform sole, and a side zipper closure, making them perfect for women who want edge and comfort in equal measure.
Why You'll Love It
- Chunky Block Heel: A wide, stable block heel delivers confident height without sacrificing all-day comfort.
- Easy Zipper Entry: The inner side zipper lets you slip in and out quickly, no lacing or fussing required.
- Knee-High Silhouette: The tall shaft hits at the knee for a sleek, statement-making profile that pairs with skirts, dresses, and pants alike.
Perfect For
Style them over skinny jeans for a night out, layer them under a midi skirt for a chic daytime look, pair them with a mini dress for date night, or wear them to the office with tailored trousers for an elevated winter outfit.
Care Instructions
- Wipe clean with a soft, damp cloth.
- Avoid prolonged exposure to water and direct sunlight.
- Store with a boot shaper or stuffed with tissue to maintain the shaft shape.
- Allow to air-dry fully before storing.
Frequently Asked Questions
How do I close these boots?
These boots feature a side zipper closure for quick and easy on and off.
What height is the heel?
The boots have a chunky block heel that provides noticeable height while keeping a stable, comfortable base.
How high does the shaft reach?
The shaft is knee-high, reaching up to the knee for a bold, statement silhouette.
Women's Shoe Size Chart
| US Size | Foot Length | Foot Width |
|---|---|---|
| US 4 | 21.0–21.5 cm / 8.3–8.5 in | 8.0–8.5 cm / 3.1–3.3 in |
| US 4.5 | 21.5–22.0 cm / 8.5–8.7 in | 8.0–8.5 cm / 3.1–3.3 in |
| US 5 | 22.0–22.5 cm / 8.7–8.9 in | 8.5 cm / 3.3 in |
| US 5.5 | 22.0–22.5 cm / 8.7–8.9 in | 8.5 cm / 3.3 in |
| US 6 | 22.5–23.0 cm / 8.9–9.1 in | 8.5–9 cm / 3.3–3.5 in |
| US 6.5 | 23.0–23.5 cm / 9.1–9.3 in | 9 cm / 3.5 in |
| US 7 | 23.0–23.5 cm / 9.1–9.3 in | 9 cm / 3.5 in |
| US 7.5 | 23.5–24.0 cm / 9.3–9.5 in | 9–9.5 cm / 3.5–3.7 in |
| US 8 | 24.0–24.5 cm / 9.5–9.7 in | 9.5 cm / 3.7 in |
| US 8.5 | 24.5–25.0 cm / 9.7–9.9 in | 9.5–10 cm / 3.7–3.9 in |
| US 9 | 25.0–25.5 cm / 9.9–10.1 in | 10 cm / 3.9 in |
| US 9.5 | 25.5–26.0 cm / 10.1–10.3 in | 10–10.5 cm / 3.9–4.1 in |
| US 10 | 25.5–26.0 cm / 10.1–10.3 in | 10–10.5 cm / 3.9–4.1 in |
| US 10.5 | 26.0–26.5 cm / 10.3–10.5 in | 10.5 cm / 4.1 in |
| US 11 | 26.5–27.0 cm / 10.4–10.6 in | 10.5–11 cm / 4.1–4.3 in |
| US 11.5 | 27.0–27.5 cm / 10.6–10.8 in | 11–11.5 cm / 4.3–4.5 in |
| US 12 | 27.0–27.5 cm / 10.6–10.8 in | 11–11.5 cm / 4.3–4.5 in |
Not sure which size to choose? Tap Find my size above — answer a few quick questions and get your size in seconds.
Most pieces follow standard U.S. sizing. You'll find all measurements in our size guide. For personal help, email contact@winthroprow.com — we reply within a few hours.
Every Winthrop Row piece is selected in Boston for its fabric, fit and finish. The exact composition is listed in the description and on the care label.
- Knitwear: hand wash cold or dry clean, dry flat, fold instead of hanging.
- Coats & tailoring: dry clean, hang on a wide hanger, brush after wearing.
- Leather & suede: brush regularly, protect before wet weather, dry naturally.
- Shirts & dresses: wash cool, iron on low heat.
Free U.S. shipping on every order. Processing takes 1–3 business days, delivery 3–5 business days from our North American warehouse. You'll receive a tracking link by email.
90-day returns. Email us and we send a printable return label. Return shipping is paid by the customer — free if an item arrives damaged, defective or incorrect.







