Mia | Women's Chunky Knee-High Block Heel Zipper Boots
Designed in Littleton, Colorado · Ships from North America
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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 |
We choose natural, hard-wearing fibers — wool, cashmere, cotton and suede — so each piece looks better with every season. The exact composition is listed in the description above.
Knitwear: hand wash cold or dry clean, lay flat to dry, store folded.
Coats & jackets: dry clean only; brush wool gently after wear and hang on a wide hanger.
Suede & leather: protect with a water-repellent spray and brush with a suede brush.
Free US shipping on every order.
Processing: 1–3 business days · Delivery: 3–5 business days after dispatch.
Ships from our North American warehouse with tracking.
90-day returns. Email us and we'll send you a printable return label. Return shipping is paid by the customer — except for wrong, damaged or defective items. Full return policy
Our pieces are cut for a relaxed, layered fit. If you're between sizes, size down for a closer fit or up for room over knitwear. Not sure? Use Find my size on any product page — you'll have your size in a few seconds.
Women
| Size | US | Bust (in) | Waist (in) | Hips (in) |
|---|---|---|---|---|
| XS | 0–2 | 31–32 | 24–25 | 34–35 |
| S | 4–6 | 33–34 | 26–27 | 36–37 |
| M | 8–10 | 35–36 | 28–29 | 38–39 |
| L | 12–14 | 38–40 | 31–33 | 41–43 |
| XL | 16 | 41–43 | 34–36 | 44–46 |
| XXL | 18 | 44–46 | 37–39 | 47–49 |
Men
| Size | Chest (in) | Waist (in) | Neck (in) | Sleeve (in) |
|---|---|---|---|---|
| S | 35–37 | 29–31 | 14–14.5 | 32–33 |
| M | 38–40 | 32–34 | 15–15.5 | 33–34 |
| L | 41–43 | 35–37 | 16–16.5 | 34–35 |
| XL | 44–46 | 38–40 | 17–17.5 | 35–36 |
| XXL | 47–49 | 41–43 | 18–18.5 | 36–37 |
Shoes
| US Women | US Men | EU | Foot length (in) |
|---|---|---|---|
| 6 | — | 36 | 9.1 |
| 7 | — | 37–38 | 9.4 |
| 8 | 6.5 | 38–39 | 9.8 |
| 9 | 7.5 | 40 | 10.0 |
| 10 | 8.5 | 41–42 | 10.4 |
| — | 9.5 | 42–43 | 10.6 |
| — | 10.5 | 44 | 11.0 |
| — | 11.5 | 45 | 11.3 |
| — | 12.5 | 46 | 11.6 |
How to measure
Bust / chest
Measure around the fullest part, keeping the tape level under your arms.
Waist
Measure around your natural waistline, the narrowest part of your torso.
Hips
Stand with feet together and measure around the fullest part of your hips.
Foot length
Stand on a sheet of paper, mark heel and longest toe, and measure the distance.
Questions about fit or fabric? Email us: contact@highline-hart.com
