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LETHAL RELENTLESS

As low as $320.00
In stock
Only %1 left
or 4 payments of $80.00 Learn more
STYLE #: 1111A259.001
LETHAL RELENTLESS is rated 4.3 out of 5 by 3.
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Width: Standard - D
Size (US - Mens):
Size Guide | Width Guide
Size Guide
Width Guide

All shoe sizes listed on the website are in US sizes.

Men's/Unisex Shoe Sizes

US UK EU CM US Women
4 3 36 22.5 5.5
5 4 37.5 23.5 6.5
5.5 4.5 38 24 7
6 5 39 24.5 7.5
6.5 5.5 39.5 25 8
7 6 40 25.5 8.5
7.5 6.5 40.5 25.75 9
8 7 41.5 26 9.5
8.5 7.5 42 26.5 10
9 8 42.5 27 10.5
9.5 8.5 43.5 27.5 11
10 9 44 28 11.5
10.5 9.5 44.5 28.25 12
11 10 45 28.5 12.5
11.5 10.5 46 29 13
12 11 46.5 29.5 13.5
12.5 11.5 47 30 14
13 12 48 30.5 14.5
13.5 12.5 48.5 30.75 15
14 13 49 31 15.5
15 14 50.5 32 16.5
16 15 51.5 33 17.5

Men's Work Boot Sizes

US UK EU CM US Women
8.5 7.5 42 26 10
9 8 42.5 26.5 10.5
9.5 8.5 43.5 27 11
10 9 44 27.5 11.5
10.5 9.5 44.5 28 12
11 10 45 28.25 12.5
11.5 10.5 46 28.5 13
12 11 46.5 29 13.5
13 12 48 30 14.5
14 13 49 31 15.5

Women's Shoe Sizes

US UK EU CM US Men
5 3 35.5 22 3.5
5.5 3.5 36 22.5 4
6 4 37 23 4.5
6.5 4.5 37.5 23.5 5
7 5 38 24 5.5
7.5 5.5 39 24.5 6
8 6 39.5 25 6.5
8.5 6.5 40 25.5 7
9 7 40.5 25.75 7.5
9.5 7.5 41.5 26 8
10 8 42 26.5 8.5
10.5 8.5 42.5 27 9
11 9 43.5 27.5 9.5
11.5 9.5 44 28 10
12 10 44.5 28.5 10.5
12.5 10.5 45 28.75 11
13 11 46 29 11.5

Kid's Shoe Sizes

Pre-School (PS): Sizes K10-3 | Grade School (GS): Sizes 1-7 | Toddler (TS): Sizes K4-K9

US EU UK CM
K5 21 K4 13
K6 22.5 K5 14
K7 23.5 K6 15
K8 25 K7 15.5
K9 26 K8 16
K10 27 K9 17
K11 28.5 K10 17.5
K12 30 K11 18.5
K13 31.5 K12 19.5
1 32.5 K13 20
2 33.5 1 21
3 35 2 22
4 36 3 22.5
5 37.5 4 23.5
6 39 5 24.5
7 40 6 25.5

Unsure on size or colour?

We offer 30 day free returns for online purchases. View our Returns Policy here. To speak with an expert, visit us in store or speak to one of our online specialists.

Men/Kids   Women
  2A Narrow
Narrow B Standard
Standard D Wide
Wide 2E Extra Wide
Extra Wide 4E  

The standard (medium) width for women is B, while the standard width for men is D. Shoe boxes and labels will only identify widths other than standard. Within the shoes, wide and narrow widths are identified on the label, underneath the tongue — ie. T005N(2E).

When is additional width needed?

Visible stretching or bulging on the outsides of forefoot materials is a good indicator that additional width may be needed. These sizes are available in many of our Running and Training shoes. In some cases, men can wear women’s styles to achieve a narrow fit and women can wear men’s to get a wide. If this is needed, please use the references above to determine comparable size lengths.

Please note that the differences of width between narrow, standard, wide, and extra wide are usually only a couple millimeters and are proportional to the size of the shoe. Most additional width will be found in the forefoot.
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LETHAL RELENTLESS

As low as $320.00
or 4 payments of $80.00 Learn more
STYLE #: 1111A259.001
LETHAL RELENTLESS is rated 4.3 out of 5 by 3.
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Product Details

The LETHALâ„¢ RELENTLESS shoe is a high performing boot with removable studs designed specifically for Rugby Union providing high traction on soft ground surfaces.

The FLYTEFOAMâ„¢ midsole incorporates HG10mmâ„¢ technology alleviates stress on the lower limbs and provide comfort underfoot, while the rearfoot GELâ„¢ technology provides shock attenuation.

The outsole features triple-density construction and an 8-stud arrangement with 6 removable metal studs for advanced grip and traction. Additionally, the outsole's flex grooves are designed to promote smoother transitions. (previous tooling of the Lethal Tight-Five)



Width: D standard - STANDARD

For men the standard shoe width is D, going up to a wide fitting 2E and the widest a 4E. In New Zealand the most common shoe width size* for men is a 2E.Find out more about widths.

STYLE #: 1111A259.001

pronation

Pronation is part of the natural movement of the human body and refers to the way your foot rolls inward for impact distribution upon landing. Understanding your pronation type can help you find a comfortable running shoe. The LETHAL RELENTLESS is made for Neutral.

Under
Neutral
Over
Severe Over

Neutral

Foot Type

Normal size arches

PUSH OFF

There is even distribution from the front of the foot.

HOW YOUR FOOT CONTACTS THE GROUND

The foot lands on the outside of the heel, then rolls inward (pronates) to absorb shock and support body weight.

Rated 4 out of 5 by Macb from Good boot, but very raised heel Boot is comfortable, but definitely only for the tight 5. Fitting is also small, so need to order up a size.
Date published: 2025-04-07
Rated 4 out of 5 by Rugby Mac from Great boot UK12 I bought these when I couldn’t buy Tight 5 version in my size. Not disappointed at all, the colorway is really nice. Grip and initial comfort is great if you narrower feet- I would recommend getting an insole as the heel did rub a little or go maybe a size down and break them in as they stretch over time a little.
Date published: 2025-04-03
Rated 5 out of 5 by Boognish76 from Number 1 for comfort These have been the most comfortable boots my son has ever used for rugby
Date published: 2025-03-30
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