516054 - BLACK CALF - E (ULTRAFLEX SYSTEM) – Meermin Shoes

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516054 - BLACK CALF - E (ULTRAFLEX SYSTEM)

2,119.00 HKD

Black Calf

Size Guide Extended

This style is part of our Extended Sizes Range.
Below you'll find both the Men's & Women's specific size charts.

Men's Size Guide

Women's Size Guide

Size Guide Men

Please note that all our shoes & boots are UK sized. Below you'll find the men's specific size chart:

UK	US	EU	JP
4.5	5.5	38.5	23
5	6	39	23.5
5.5	6.5	39.5	24
6	7	40	24.5
6.5	7.5	40.5	25
7	8	41	25.5
7.5	8.5	41.5	26
8	9	42	26.5
8.5	9.5	42.5	27
9	10	43	27.5
9.5	10.5	43.5	28
10	11	44	28.5
10.5	11.5	44.5	29
11	12	45	29.5
11.5	12.5	45.5	30
12	13	46	30.5
12.5	13.5	46.5	31
13	14	47	31.5
13.5	14.5	47.5	32.5
14	15	48	33

Width

	Meermin	US	UK
Narrow	D	C	D
Medium	E	D	E
Wide	F	E	F
Extra-wide	G	F	G

Size Guide Women

Please note that all our shoes & boots are UK sized. Below you'll find the women's specific size chart:

UK	US	EU	JP
2	4.5	35	21.5
2.5	5	36	22
3	5.5	36.5	22.5
3.5	6	37	23
4	6.5	37.5	23.5
4.5	7	38	24
5	7.5	38.5	24.5
5.5	8	39	25
6	8.5	39.5	25.5
6.5	9	40	26
7	9.5	40.5	26.5
7.5	10	41	27
8	10.5	42	27.5

Common Fit Questions

Can I use my sneaker's size as a reference?

What do you recommend if I am in between sizes?

Do your lasts fit all the same?

I wear orthotics—Can I remove the insoles?

Still have questions? Contact us

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Shipping to

Shipping service: Standard

One of our most popular boot, now built on the all-new ROD last. With a fit that closely mirrors our trusted HOK last, this Chelsea boot is crafted for both comfort and versatility. Made using the finest boxcalf, this boot is meticulously hand-blocked on the last and features a one-piece wholecut pattern for a sleek and refined look. The key to its flexibility? The combination of our revolutionary Ultraflex System Construction and the Lightweight Cleated sole.

The Ultraflex System is a breakthrough in Goodyear Welt craftsmanship — a newly developed approach that blends superior quality, timeless style, and unmatched comfort. By combining advanced materials and innovative techniques, these Chelsea boots set a new standard in comfort for welted footwear.

Goodyear welted on the ROD last, these boots offer an exceptional fit with the added benefits of the Ultraflex System. The soft, supple underside of the French boxcalf leather ensures all-day comfort, while our lightweight cleated rubber sole provides excellent grip and durability without adding bulk. It's the perfect balance of performance and elegance — making these boots a game-changer in your wardrobe.

Construction: Ultraflex System

Last

Rod Last

The ROD last features a casual round toe shape and a truly acommodating fit. As its sister HOK last, the ROD is a voluminous last, featuring a wide ball tread, providing superior comfort to the wearer. It is one of our most forgiving & comfortable lasts within our range. Providing excellent support while retaining a snug heel control so that the foot remains in place avoiding any slippage or sliding-forward to within the boot.

The ROD last is exclusive to the Ultraflex System range.

The Ultraflex System is our newest take on the Goodyear Welt construction — A whole new system developed from scratch where Quality & Style meet real Comfort. This system is a combination of materials & technique making these shoes, the most comfortable Welted dress shoe in the market. We've maintained the lines & look of our HOK last, but adjusted to be able to accommodate the double insole system during production, without affecting the overall fit.

The most popular styles on the ROD last are our Service, Jumper & Wholecut Chelsea Boots.

Note: All Meermin Shoes are UK Sized. Take 1 full size down from your US size.

ROD Last Measurements:

UK Size	Insole Length	Insole Width	Ball Girth	Foot Length
2	239.6 mm	85 mm	212 mm	219.7 mm
2.5	243.9 mm	86 mm	215 mm	224 mm
3	248.2 mm	87 mm	218 mm	228.3 mm
3.5	252.5 mm	88 mm	221 mm	232.6 mm
4	256.8 mm	89 mm	224 mm	236.9 mm
4.5	261.1 mm	90 mm	227 mm	241.2 mm
5	265.4 mm	91 mm	230 mm	245.5 mm
5.5	269.7 mm	92 mm	233 mm	249.8 mm
6	274 mm	93 mm	236 mm	254.1 mm
6.5	278.4 mm	94 mm	239 mm	258.4 mm
7	282.7 mm	95 mm	242 mm	262.7 mm
7.5	287 mm	96 mm	245 mm	267 mm
8	291.3 mm	97 mm	248 mm	271.3 mm
8.5	295.7 mm	98 mm	251 mm	275.6 mm
9	300 mm	99 mm	254 mm	279.9 mm
9.5	304.3 mm	100 mm	257 mm	284.2 mm
10	308.6 mm	101 mm	260 mm	288.5 mm
10.5	313 mm	102 mm	263 mm	292.8 mm
11	317.3 mm	103 mm	266 mm	297.1 mm
11.5	321.6 mm	104 mm	269 mm	301.4 mm
12	325.9 mm	105 mm	272 mm	305.7 mm
12.5	330.3 mm	106 mm	275 mm	310 mm
13	334.6 mm	107 mm	278 mm	314.3 mm
13.5	338.9 mm	108 mm	281 mm	318.6 mm
14	343.2 mm	109 mm	284 mm	322.9 mm

Width

	Meermin	US	UK
Narrow	D	C	D
Medium +	E+	D+	E+
Wide	F	E	F
Extra-wide	G	F	G

UK Fitting: E (Medium)

Upper Leather: Boxcalf

Tannery: Zonta (Italy)

Sole: Lightweight Cleated

Insole: Vegetable Tanned Leather

Lining: Full Grain Calf

Fast worldwide services shipping next day.

If your country is not available in this store visit your regional store at: North America, European Union, United Kingdom or Mainland China.

If you’re not entirely happy with your purchase, return it within 30 days for a full refund. See full Return Policy here.

The ULTRALIGHT WHOLECUT CHELSEA BOOT

Gear up with one of the most versatile boots in our collection—our Black Calf Lightweight Chelsea Boot.

Crafted using a one-piece wholecut design, this Chelsea boot features our very own Goodyear welted Ultraflex System and is finished with an extremely lightweight, rubber-cleated sole—an all-time customer favorite.

Country/Region

Country/Region

516054 - BLACK CALF - E (ULTRAFLEX SYSTEM)

Width

Common Fit Questions

Width

The ULTRALIGHT WHOLECUT CHELSEA BOOT