New world Grade
open-source global grading & Last Library
A unified system built on international anthropometric standards and validated biomechanical research.
The Juice
LENGHT
Follows Mondopoint progression
10 mm
WIDTH
Ball girth as one dimension
2.635mm
INSTEP HEIGHT
Calculated at 55% foot length
1.3 mm < ISO 260 < 0.4 mm
Published Asset
Low - Top 00
WIDE - MINIMAL - LOWTOP
Zero drop, zero insole allowance
Sample Size:
280-104-71 mm
Best for: shoes without socks
Wide fit, natural toe splay
Mid - Top 80
CASUAL - SNEAKER - MIDTOP
8mm drop, zero insole allowance
Sample Size:
280-99-78mm
Best for: shoes with socks
Standard fit, familiar feel
Last Taxonomy
Scientific References
International Standards & Systems
1. ISO 9407:2019 — Mondopoint system
2. ISO 19407:2023 — Sizing conversion
3. ISO 19952:2025 — Footwear vocabulary
Foot Morphology & Anthropometry
4. Wunderlich & Cavanagh, 2001
5. Krauss et al., 2008
6. Xiong et al., 2009
7. Witana et al., 2004
8. Jurca et al., 2019
9. Nigg et al., 2015
10. D’Août et al., 2009
11. Robbins & Hanna, 1987
12. Franklin et al., 2015
13. Lieberman et al., 2010
Footwear Design and Manufacturing
14. Luximon et al., 2003
15. Telfer & Woodburn, 2010
16. Luximon & Luximon, 2009
Foot Health & Clinical Outcomes
17. Menz & Morris, 2005
18. Barnish & Barnish, 2016
19. Coughlin & Jones, 2007 20. Mauch et al., 2008
Low - Top 00
Minimal last added
Mid - Top 80
Sneaker last added
New World Grade
Complete charts and grading system
Multiple Widths
A-E widths each fit type
Extended Adult Sizes
Beyond 320mm foot lenght
Pediatric Range
Below 220mm, specialized grading