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ISO/TC 137

Date: 2019-06

ISO 9407:2019(E)

ISO/TC 137

Secretariat: SABS/SAC

Footwear sizing — Mondopoint system of sizing and marking

Pointure des chaussures — Système Mondopoint de mesure et de marquage

© ISO 2019

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Contents

Foreword. iv

Introduction. v

1 Scope. 1

2 Normative references. 1

3 Terms and definitions. 1

4 Fundamental characteristics of the Mondopoint sizing system.. 3

5 Method of expressing Mondopoint sizing. 4

6 Footwear marking. 4

6.1 Format 4

6.2 Location of the marking. 4

6.2.1 On the shoe. 4

6.2.2 On the packaging. 4

6.3 Form of the marking. 4

7 Transition from other shoe size systems. 4

Bibliography. 5

Foreword

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This document was prepared by Technical Committee ISO/TC 137, Footwear sizing designations and marking systems.

This second edition cancels and replaces the first edition (ISO 9407:1991), which has been technically revised. The main changes compared with the previous edition are as follows:

— references have been added and alignment has been made to ISO/TS 19407 and ISO/TS 19408;

— new pictograms have been added.

Any feedback or questions on this document should be directed to the user's national standards body. A complete listing of these bodies can be found at www.iso.org/members.html.

Introduction

Mondopoint offers a simple and universal solution to the problem of communicating footwear sizing to customers in the global market, overcoming the present confusion resulting from labelling with multiple size systems. Online and mail-order customers are commonly encouraged to measure and report their foot length as a guide to shoe size selection. Mondopoint lends itself directly to this approach.

The last maker will use whatever last dimensions they consider necessary to produce the required footwear fitting properties, taking into account factors such as footwear type and style, modulus/stretch characteristics of the upper materials being used, and the thickness of hose appropriate to the type of footwear.

The length grading interval, which is the difference between adjacent whole shoe sizes (as defined in ISO/TS 19408:2015, 2.1.9], used by manufacturers aligning to the Mondopoint system, is normally 5 mm, although 7,5 mm is sometimes used in specialist footwear applications.

Some manufacturers, particularly in the Far East, use the Mondopoint sizing system but do not necessarily label it as Mondopoint, as shown in Table 1, for example.

Table 1 — Example of a sizing system

Shoe

mm

CN

JP

Korea

1

260

260

260

260

2

265

265

265

265

Some manufacturers express size in centimetres rather than millimetres (e.g. 26 in place of 260 or 26,5 in place of 265). Other manufacturers give size markings that relate to last length rather than foot length. Neither of these expressions of size conform to this document.

Regarding the linear width of the foot (or indeed, the joint girth of the foot or any other foot dimension):

a) it is good commercial practice to design footwear to fit the average foot in a given market based on knowledge of foot morphology for the demographic or ethnic group, and on statistical average foot dimension values for each shoe size in the specific market;

b) because the statistical distribution of the dimensions of the feet to be fitted differs from one country to another according to the characteristics of the population and because of the diversity of grading systems in different countries, it is not considered possible at present to define a width designation system at the international level, other than as given in this document;

c) other sizing systems use various codes to indicate the joint girth of the foot fitting properties of footwear; usually each market decides which joint girth designation reflects the "average" population girth and what joint girth value to associate with each designation.

EXAMPLE China uses decimal notation: 2,0, 2,5, 3,0, 3,5...; the UK, US and Japan use letters: A, B, C, D...; the EU uses letters or whole numbers: 3, 4, 5, 6?; and Germany additionally uses WMS (weit-mittel-schmal or wide-medium-small/narrow) for children's footwear.

Footwear sizing — Mondopoint system of sizing and marking

1 Scope

This document specifies a method of designation and marking of footwear size called Mondopoint, based on defined measurements of the foot that the footwear is intended to fit.

This document is applicable to all types of footwear.

2 Normative references

There are no normative references in this document.

3 Terms and definitions

For the purposes of this document, the following terms and definitions apply.

ISO and IEC maintain terminological databases for use in standardization at the following addresses:

— ISO Online browsing platform: available at https://www.iso.org/obp

— IEC Electropedia: available at http://www.electropedia.org/

3.1

footwear

shoe

article(s) made of a sole (outsole) and an upper in different materials designed to protect or cover the foot

Note 1 to entry: This shall be interpreted to mean all types of footwear without restriction, including boots, slippers, sandals, etc.

[SOURCE: ISO 19952:2005, 68, modified — Note 1 to entry has been added.]

3.2

shoe size

designated size marking of a shoe (3.1) or last made for a given foot length (3.3) in any given shoe sizing system

[SOURCE: ISO/TS 19408:2015, 2.1.11]

3.3

foot length

maximum horizontal distance from the centre of the back of the heel (maximum point of heel curve) to the end of the most prominent toe, with the subject standing with the weight of the body equally distributed on both feet, barefoot or wearing thin hose that does not significantly affect the dimensions of the foot

Note 1 to entry: Measure the foot length along the inside tangent. See Figure 1. "Inside tangent" is defined in ISO/TS 19408:2015, 2.1.6.

[SOURCE: ISO/TS 19408:2015, 2.1.4, modified — The second method has been removed from Note 1 to entry.]

Key

l

length

n

inside tangent

Figure 1 — Foot length measured along the inside tangent

3.4

linear width of the foot

maximum horizontal distance, o, between the outside swell of the head of the first metatarsal and outside swell of the head of the fifth metatarsal of the foot measured under the same conditions as foot length (3.3)

Note 1 to entry: See Figures 2 and 3.

[SOURCE: ISO/TS 19408:2015, 2.1.10, modified — "measured under the same conditions as foot length" has replaced "or the corresponding points at the last" and Note 1 to entry has been replaced.]

Key

b

linear width of foot

Figure 2 — Joint position of the foot

3.5

joint girth of the foot

anatomic ball girth of the foot

circumference of the foot in a vertical plane around the heads of the first and fifth metatarsal bones

Note 1 to entry: See Figure 3.

Note 2 to entry: The measurement is made using a flexible inelastic tape approximately 8 mm to 10 mm wide, applying only a slight pressure that does not significantly affect the dimensions of the foot, and under the same conditions as foot length (3.3). The tape is positioned with one edge aligned with the metatarsophalangeal joints of the first and fifth metatarsals and the width of the tape laying behind (posterior) the metatarsophalangeal joint, as shown in Figure 2.

[SOURCE: ISO/TS 19408:2015, 2.1.8, modified — Notes 1 and 2 to entry have been replaced.]

Key

o

linear width of foot

p

joint girth of the foot

Figure 3 — Linear width and joint girth of the foot at the joint position

3.6

Mondopoint

footwear (3.1) sizing system based on the foot length (3.3) and linear width of the foot (3.4)

Note 1 to entry: Mondopoint is measured in millimetres.

4 Fundamental characteristics of the Mondopoint sizing system

4.1 The sizing system shall be based on the two measurements given in 4.2 and 4.3.

4.2 Length of the foot, which is the primary characteristic, measured in millimetres and expressed as an integer, that the footwear is intended to fit.

4.3 Linear width of the foot, which is the secondary characteristic, measured in millimetres and expressed as an integer, that the footwear is intended to fit.

NOTE The above provisions do not preclude the use of the joint girth of the foot or other foot dimensions at other stages of the specification and manufacture of footwear.

5 Method of expressing Mondopoint sizing

Mondopoint sizing shall be expressed using the measurement, in millimetres, corresponding to the length of the foot (see 4.2) and, if required, to the linear width of the foot (see 4.3), without mention of the measurement units.

NOTE The above provision does not preclude the use of codes as an additional means of expressing the linear width or joint girth of the foot.

6 Footwear marking 6.1 Format

The size marking shall be preceded by "MP" in upper-case lettering or "Mondo" and shall include the length of the foot (see 4.2) followed by, if required, the linear width of the foot (see 4.3) with the numbers separated by a dash, an oblique line or brackets. The characters used shall be clearly separated from any other information.

EXAMPLE

MP263

MP263/94

MP263-94

MP263(94)

Mondo 263

Mondo 263/94

Mondo 263-94

Mondo 263(94)

6.2 Location of the marking 6.2.1 On the shoe

Mondopoint size shall be marked on each shoe, on an appropriate part of the shoe where the marking is clearly visible and legible.

6.2.2 On the packaging

When shoes are to be contained in a box or other form of packaging, the Mondopoint size shall also be given on this packaging.

6.3 Form of the marking

The form of the marking and the means by which it is to be applied (by punch, stamp, adhesive label, etc.) can be chosen by the manufacturer provided that the marking remains visible and legible on the shoe for as long as necessary.

7 Transition from other shoe size systems

Other shoe sizing systems shall be adapted to the corresponding Mondopoint size by converting each other size into the corresponding length of the foot (see 4.2) that is best accommodated by the footwear. A designation of the Mondopoint linear width of the foot (see 4.3) may also be included.

The relationship between Mondopoint and UK, US and European size systems should conform to ISO/TS 19407.

Bibliography

[1] ISO 19952:2005, Footwear — Vocabulary

[2] ISO/TS 19407, Footwear — Sizing — Conversion of sizing systems

[3] ISO/TS 19408:2015, Footwear — Sizing — Vocabulary and terminology