Please measure your optics the way you use them to ensure proper fitment. Eyecup position, covers, and accessories can affect the overall size.
If using removable eye cup covers or if you have the eye cups fully extended, you might need to size up.
*Sizing for our standard pack and enclosed pack can vary.
*Our packs do not fit Porro Prism style binoculars.
Please feel free to reach out to us at sales@marsupialgear.com or call our shop at
(623) 434-3403 with any questions regarding fitment of your binoculars in our packs.
Standard Pack
Small: 5.5"W x 2.5"D x 6.3"H
Medium: 5.5"W x 2.5"D x 7"H
Large: 5.5"W x 2.5"D x 8"H
Enclosed Pack
Small: 5.75"W x 2.75"D x 6.7"H
Medium: 5.75"W x 2.75"D x 7.75"H
Large: 6.25"W x 3.25"D x 8.75"H
No-Mag Pack
Small: 5.75"W x 3"D x 7"H
Medium: 6"W x 3"D x 8.25"H
Large: 6.25"W x 3.25"D x 8.75"H
Quick Sizing Reference
Enclosed Pack: Most 10x42s fit a Small, most 50mm binoculars fit a Medium, and most 56mm binoculars fit a Large.
Enclosed Pack: SIG ZULU6 HDX PRO OIS 50mm: Large
Enclosed Pack: SIG ZULU6 HDX PRO OIS 42mm: Medium
Enclosed Pack: ZULU6 HDX 12x42, 16x42, 20x42: Medium
No-Mag Pack: Most 10x42 and 50mm binoculars fit a Small, while some 56mm binoculars fit a Medium.
No Mag: SIG ZULU6 HDX PRO OIS: Medium
If two sizes are listed below, both can work. If you keep your eyecups fully extended, use removable eyecup covers, or want more room, choose the larger size.
This size guide is a suggestion and does not guarantee fit. Please measure your optics the way you use them to ensure proper fitment. Eyecup position, covers, and accessories can affect the overall size.
Note* Use the Enclosed Pack sizing for the Standard Pack unless a different size is specifically noted.
NL binoculars will be a tight fit in the small binocular pack and will require a break in period
| Binocular | Standard / Enclosed Pack | No-Mag Pack |
| 8/10/12x42 NL Pure without Headrest |
Small / Medium *Small requires a break-in period |
Small |
| 8/10/12x42 NL Pure with Headrest | Medium | Medium |
| 8/10x32 NL Pure without Headrest |
Small / Medium *Small requires a break-in period |
Small |
| 8/10x32 NL Pure with Headrest | Medium | Medium |
| 10/14x52 NL Pure without Headrest | Medium |
Medium *Will fit in small with eye cups down. |
| 10/14x52 NL Pure with Headrest | Large | Medium |
| 8.5x42 EL/SLC | Small | Small |
| 10x42 EL/SLC | Small | Small |
| 8/10x32 EL Range with & without Headrest | Small *Standard Pack with headrest: Medium |
Small |
| 10x42 EL Range | Medium |
Small / Medium *Choose Medium for more room |
| 10x50 EL/SLC | Medium | Small |
| 12x50 EL | Medium | Small |
| 15x56 HD | Large | Medium |
| Binocular | Standard / Enclosed Pack | No-Mag Pack |
| Razor HD 8x42 | Small | Small |
| Razor HD 10x42 | Small | Small |
| Razor HD 10x50 | Medium | Small |
| Razor HD 12x50 | Medium | Small |
| Razor UHD 8/10x42 |
Enclosed: Medium Standard Pack: Large |
Small |
| Razor UHD 10x50 | Medium | Medium |
| Razor UHD 12x50 | Large | Medium |
| Razor UHD 18x56 | Large | Large |
| Kaibab 15x56 | Large | Medium |
| Kaibab 18x56 |
Enclosed: Large *Does not fit in standard pack |
Medium |
| Fury 10x42 |
Small / Medium *Small requires a break-in period |
Small |
| Viper HD 10x42 | Small | Small |
| Viper HD 10/12x50 | Medium | Small |
| Vulture 8x56 | Medium | Medium |
| Vulture 10x56 | Medium | Medium |
| Vulture 15x56 | Large | Medium |
| Diamondback 8x42 | Small | Small |
| Diamondback 10x42 | Small | Small |
| Diamondback 10x50 | Medium | Small |
| Diamondback 12x50 |
Enclosed: Small *Medium if eyecups are extended Standard Pack: Medium |
Small |
| Diamondback HD 15x56 | Medium |
Medium / Large *Choose Large for more room |
| Talon 10x42 | Medium | Small |
| Crossfire 8x42 | Small | Small |
| Crossfire 10x42 | Small | Small |
| Crossfire 10x50 | Medium | Small |
| Crossfire 12x50 | Medium | Small |
| Binocular | Standard / Enclosed Pack | No-Mag Pack |
| B1 8/10x42 | Small | Small |
| B2 7/9/11x45 | Medium |
Small / Medium
*Choose Medium for more room
|
| B3 6/8/10x30 | Small | Small |
| B4 12x56 | Large |
Large*
Close fit. Measure before ordering
|
| B5 15x56 | Large |
Large*
Close fit. Measure before ordering
|
| B6 10/12x50 | Medium | Small |
| C1 8/10/12x42 | Small | Small |
| C2 7/10x28 | Small | Small |
| C3 10/12x50 | Medium | Small |
| C4 15/18x56 | Large | Medium |
*Please note: Geovid models may require a break in period.
| Binocular | Standard / Enclosed Pack | No-Mag Pack |
| Geovid Pro 10x32 |
Small / Medium *May require a break-in period |
Small |
| Geovid Pro 8x42 |
Medium / Large *May require a break-in period |
Small / Medium *Choose Medium for more room |
| Geovid Pro 10x42 |
Medium / Large *May require a break-in period |
Small / Medium *Choose Medium for more room |
| Geovid HD-B/HD-R 8x42 |
Medium / Large *May require a break-in period |
Small / Medium *Choose Medium for more room |
| Geovid HD-B/HD-R 10x42 |
Medium / Large *May require a break-in period |
Small / Medium *Choose Medium for more room |
| Geovid-R 8x42 |
Medium / Large *May require a break-in period |
Small / Medium *Choose Medium for more room |
| Geovid-R 10x42 |
Medium / Large *May require a break-in period |
Small / Medium *Choose Medium for more room |
| Noctivid 8x42 | Small | Small |
| Noctivid 10x42 | Small | Small |
| Ultravid 8x32 | Small | Small |
| Ultravid 10x32 | Small | Small |
| Ultravid 8x42 | Small | Small |
| Ultravid 10x42 HD Plus | Small | Small |
| Ultravid 8x50 HD Plus | Large |
Small / Medium *Choose Medium for more room |
| Ultravid 10x50 HD Plus | Large |
Small / Medium *Choose Medium for more room |
| Trinovid 8x42 HD | Small | Small |
| Trinovid 10x42 HD | Small | Small |
| Duovid 8/12x42 | Small | Small |
| Duovid 10/15x50 | Large | Medium |
| Binocular | Standard / Enclosed Pack | No-Mag Pack |
| Victory SF 8/10x42 | Medium | Small |
| Victory HT 8/10x42 | Medium | Small |
| Conquest HD 10x42 | Small | Small |
| Conquest HD 15x56 | Large | Large |
| Terra ED 10x42 | Small | Small |
| Binocular | Standard / Enclosed Pack | No-Mag Pack |
| Tioga HD 10x42 | Small | Small |
| Tioga HD 10x50 | Large |
Medium / Large
*Choose Large for more room
|
| Acadia BX-2 | Small | Small |
| BX-4 Pro Guide HD 10x42 | Small | Small |
| BX-4 Pro Guide HD 10x50 | Medium | Small |
| BX-4 Range 10x42 / 12x50 | Medium | Small |
| BX-5 Santiam HD 10x42 | Small | Small |
| BX-5 Santiam HD 10x50 | Medium | Small |
| BX-5 Santiam HD 12x50 | Medium | Small |
| BX-5 Santiam HD 15x56 |
Large* Standard Pack: Eyecups cannot be extended. |
Large |
| Northfork 8.5x45 | Small | Small |
| Binocular | Standard / Enclosed Pack | No-Mag Pack |
| KILO 3000 BDX 10x42 | Small | Small |
| ZULU6 HDX 10x30 | Small | Small |
| ZULU6 HDX 12x42 | Medium | Medium |
| ZULU6 HDX 16x42 | Medium | Medium |
| ZULU6 HDX 20x42 | Medium | Medium |
| ZULU6 HDX PRO OIS - 42mm | Medium | Medium |
| ZULU6 HDX PRO OIS - 50mm | Large | Medium |
| KILO 10K ABS HD | Small | Small |
| Binocular | Standard / Enclosed Pack | No-Mag Pack |
| Meostar B1 8/10x32 | Small | Small |
| Meostar B1 8x42 | Small | Small |
| Optika LR 10x42 HD | Small | Small |
| Meostar B1 10x42 HD | Small | Small |
| Meostar B1 7/10/12x50 | Medium | Small |
| Meostar B1 12x50 HD | Medium | Small |
| Meostar B1 8x56 | Large | Medium |
| Meostar B1 15x56 HD | Large | Medium |
