Roa Hiking Size Chart
| US (MEN) | US (WOMEN) | EU | UK | JPN (MM) |
| 4 | 6 | 36 | 3.5 | 230 |
| 5 | 7 | 37 | 4.5 | 235 |
| 5.5 | 7.5 | 38 | 5 | 240 |
| 6.5 | 8.5 | 39 | 6 | 245 |
| 7 | 9 | 40 | 6.5 | 250 |
| 8 | 10 | 41 | 7 | 260 |
| 8.5 | 10.5 | 42 | 7.5 | 265 |
| 9.5 | 11.5 | 43 | 8.5 | 275 |
| 10 | 12 | 44 | 9 | 280 |
| 11 | 13 | 45 | 10 | 290 |
| 12 | 14 | 46 | 11 | 300 |
- ALL BRANDS
- AGARIC FLY
- AKARI LIGHT SCULPTURES
- AMOMENTO
- AND WANDER
- ANDERSEN-ANDERSEN
- ARC'TERYX
- ASICS
- AVIVA JIFEI XUE
- CAMERON STUDIO
- CARHARTT WIP
- CFCL
- CHARLIE CONSTANTINOU
- CLARKS ORIGINALS
- COMME DES GARCONS HOMME
- COMME DES GARCONS PARFUM
- DANNER
- DANTON
- DIEMME
- DISTRICT VISION
- EASTLOGUE PERMANENT
- EYE_C MAGAZINE
- FRAMA
- GATHERING
- GOLDWIN
- GOLDWIN 0
- GRAMICCI
- HIKING PATROL
- IDEA
- _J.L-A.L_
- KARHU
- KEEN
- KLÄTTERMUSEN
- LAVENHAM
- LEMAIRE
- MAHARISHI
- MARGARET HOWELL
- MFPEN
- MIZUNO
- NANAMICA
- NATIVE SONS
- NEANDERTAL
- NONNATIVE
- NORDA RUN
- NORSE PROJECTS
- OCTI
- ODE TO FLORES
- ONWUAD
- ORSLOW
- PARABOOT
- PENDLETON
- PET-TREE-KOR
- PORTER YOSHIDA & CO.
- POST ARCHIVE FACTION
- RANRA
- RAYON VERT
- REGAL SHOE & CO.
- ROA HIKING
- ROTOTO
- SAGE NATION
- SALOMON SPORTSTYLE
- SATISFY RUNNING
- SILLAGE
- SNOW PEAK
- SONG FOR THE MUTE
- STORY MFG.
- STUDIO NICHOLSON
- SUB SUN
- SUICOKE
- TARVAS
- TEATORA
- THISTLES
- TOM WOOD
- TOPO DESIGNS
- T.T.
- VEILANCE