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Union Explorer
Union Explorer
Union Explorer
Union Explorer
Union Explorer
Union Explorer
Model Information

Union Explorer

Splitboard Binding

$498.00
$498.00
$498.00
Sold out
Tax included. Shipping calculated at checkout.
S M L
Size Chart
Only 0 left Only 1 left Only 0 left Only left Only left Only left

Find My Size | Based on Men's Size Chart arrow icon union

Select
US
EURO
UK
MONDO
Select
*-5.5
5.5-7.5
8-10
10.5-13
13-15
2-4.5
4.5-6.5
7-9
9.5-12
12-14
34-37
37-40.5
41-43
43.5-46
46-48
21-23.5
23.5-25.5
26-28
28.5-31
31-33
4-6.5
6.5-8.5
9-11
2-4.5
4.5-6.5
7-9
34-37
37-40.5
41-43
21-23.5
23.5-25.5
26-28
7C-11C
11C-3K
3K-5.5K
5.5K+
6-10
10K-2
2-4.5
4.5-6.5
24-28
28-34
34-37
37-40.5
13.5-17.5
17.5-21
21-23.5
23.5-25.5
YOUR SIZE IS: One Mini XS S M L XL
Must select color and size.

Main Information

Union Explorer

When your splitboard bindings feel just like your regular setup, the descent becomes the best part of the tour. The 2026 Union Explorer is designed for beginner to intermediate splitboarders seeking a smooth, responsive ride with minimal fuss on the skin track. Built for durability, simplicity, and natural board feel, the Explorer delivers dependable performance on long tours, steep lines, and everything in between—without overcomplicating the journey.

Includes: Mounting hardware, Explorer split disk, Explorer quiver disk, touring brackets, and splitboard strap.

warranty union
THE UNION WARRANTY
Lifetime for baseplate / heelcup,
2 year for everything else.
Riding Category
Freestyle Rating: Freestyle bindings are designed for riders looking for the ultimate freedom, comfort and that “loose truck” feel. These bindings are generally best suited for riding park or riders looking for a more soft and surfy board feel.

All Mountain Rating: All Mountain bindings are generally mid-flexing and built to handle all terrain and all riding styles.

Performance Rating: Performance bindings are stiffer, provide instant edge-to-edge response, and the most stable board connection possible. Performance bindings are generally best suited for high speed carving or ridding steep technical terrain.
freestyle
Freestyle
Good
Great
freestyle
All Mountain
Good
Great
freestyle
Performance
Good
Great
Binding Flex
Union Bindings come in a variety of flex ratings. The baseplate, highback, straps, bushing and disk all have different stiffnesses to help give a specific ride feel and function. Softer flexing bindings are generally used for more surfy or freestyle riding, while stiffer bindings are generally used for more hard charging and responsive freeriding.

Overall Flex

6/10

Soft
Stiff
Specifications

Union Explorer Process

Explorer Split Disk

Explorer Split Disk

The Union Explorer Split Disk incorporates a unique design to help bring the two halves of the splitbaord together under your feet. It also provides a natural board flex and ride feel.

Step 1

Step 1

With the pin removed from the baseplate, push the binding directly down onto the disk.

Step 2

Step 2

Following the arrows on the disk, rotate the binding assembly 90* to align with the pin hole. The binding will lock into place at your selected stance angle.

Step 3

Step 3

Push the pin through the baseplate and disk. Lock the pin securely into the baseplate sidewall cover. Enjoy the ride down!

Explorer Touring Bracket

Explorer Touring Bracket

Durable and lightweight design for long tours and season after season dependability. The Explorer touring bracket is a time tested Union splitboard binding design.

Step 1

Step 1

Align toe edge of binding with touring bracket.

Step 2

Step 2

Slide the pin through the the binding and touring bracket, push the pin handle inwards and lock the pin securely into the baseplate.

Step 3

Step 3

You're now ready to tour. For help on steep climbs, flip down the heel riser underneath the baseplate and lock securely into place.

Rider: Forrest Shearer
Video: Nick Kalisz
Specifications

Key Features

{"baseplate":{"active":true,"title":"EXP2 Duraflex ST Baseplate","description":"When your splitboard bindings ride like your regular bindings, it's easy to enjoy the ride down. The EXP2 Duraflex baseplate is the key ingredient for the best ride feel on the splitboard market today. All backed by a lifetime warranty.","rating":"60","img":"https:\/\/cdn.shopify.com\/s\/files\/1\/0296\/3764\/0285\/files\/UN25_EXPLORER_base.jpg?v=1745999174"},"highback":{"active":true,"title":"EXP2 Duraflex ST Highback","description":"The perfect balance of flex for when you're riding and support for when you're touring. The EXP2 Duraflex ST highback is a favorite of backcountry vetrans liks Forrest Shearer and Bryan Iguchi.","rating":"60","img":"https:\/\/cdn.shopify.com\/s\/files\/1\/0296\/3764\/0285\/files\/UN25_EXPLORER_hb.jpg?v=1745999174"},"anklestrap":{"active":true,"title":"Exoframe 4.0 Ankle Strap","description":"Exframe 4.0 ankle straps provide a secure and locked in ride feel. Lightweight, super durable and a team and shop favorite.","rating":"60","img":"https:\/\/cdn.shopify.com\/s\/files\/1\/0296\/3764\/0285\/files\/UN25_EXPLORER_ankle_strap.jpg?v=1745999174"},"toestrap":{"active":false,"title":"TS 4.0+ Toe Strap","description":"The all-new TS 4.0+ toe strap keeps you locked in for the ride down without letting you know it’s there. A new shorter buckle base helps to reduce weight and pressure points. Easily adjust to any boot with the quick snap of the pin adjustment, no tools needed.","rating":"","img":"https:\/\/cdn.shopify.com\/s\/files\/1\/0296\/3764\/0285\/files\/EXPLORER_ANKLE_STRAP.jpg?v=1626713112"},"ratchets":{"active":false,"title":"Magnesium S1 Ratchets","description":"The all-new Magnesium S1 ratchets are Union’s answer to the elements. A fully integrated spring protected from the harsh outside provides you with Union’s best ratchet to date. Longer life span and better spring return guaranteed.","rating":"","img":""},"gaspedal":{"active":false,"title":"Forged Carbon Gas Pedal","description":"The Atlas FC's Forged Carbon gas pedal provides instant edge-to-edge response for charging the most technical lines and powering through hard carves. Extremely lightweight and only available from Union Binding Company.","rating":"","img":""},"frontbaseplatelogo":{"active":false,"title":"B4BC","description":"Sales: 2% Per B4BC Binding Sold is Donated Back to Boarding For Breast Cancer.","rating":"","img":""},"flad":{"active":true,"title":"Integrated Climbing Bar","description":"Fast and easy. For help on steep climbs, flip the built in climbing bar down with the end of your touring pole. No additional hardware needed on the splitbaord. ","rating":"","img":"https:\/\/cdn.shopify.com\/s\/files\/1\/0296\/3764\/0285\/files\/UN25_EXPLORER_climbing_bar.jpg?v=1745999174"}}
Union Explorer
exoframe bindings

EXP2 Duraflex ST Baseplate

When your splitboard bindings ride like your regular bindings, it's easy to enjoy the ride down. The EXP2 Duraflex baseplate is the key ingredient for the best ride feel on the splitboard market today. All backed by a lifetime warranty.

Baseplate Flex

Flexy
Rigid
exoframe bindings

EXP2 Duraflex ST Highback

The perfect balance of flex for when you're riding and support for when you're touring. The EXP2 Duraflex ST highback is a favorite of backcountry vetrans liks Forrest Shearer and Bryan Iguchi.

Highback Flex

Flexy
Rigid
exoframe bindings

Exoframe 4.0 Ankle Strap

Exframe 4.0 ankle straps provide a secure and locked in ride feel. Lightweight, super durable and a team and shop favorite.

Anklestrap Flex

Flexy
Rigid
exoframe bindings

TS 4.0+ Toe Strap

The all-new TS 4.0+ toe strap keeps you locked in for the ride down without letting you know it’s there. A new shorter buckle base helps to reduce weight and pressure points. Easily adjust to any boot with the quick snap of the pin adjustment, no tools needed.

Magnesium S1 Ratchets

The all-new Magnesium S1 ratchets are Union’s answer to the elements. A fully integrated spring protected from the harsh outside provides you with Union’s best ratchet to date. Longer life span and better spring return guaranteed.

Forged Carbon Gas Pedal

The Atlas FC's Forged Carbon gas pedal provides instant edge-to-edge response for charging the most technical lines and powering through hard carves. Extremely lightweight and only available from Union Binding Company.

B4BC

Sales: 2% Per B4BC Binding Sold is Donated Back to Boarding For Breast Cancer.

exoframe bindings

Integrated Climbing Bar

Fast and easy. For help on steep climbs, flip the built in climbing bar down with the end of your touring pole. No additional hardware needed on the splitbaord.

Specifications

Binding Details

Technology
Baseplate
EXP2 Duraflex CB
Natural board feel and flex for the best ride down.
Bushing
Thermoformed EVA
Shock absorbing EVA padding saves your heels and promotes a true and even board flex.
Heelcup
Extruded 3D Aluminum
Designed for optimum heel hold and minimization of drag. Lifetime warranty.
Highback
EXP2 Duraflex ST
The perfect balance of flex and response for all types of riding.
Ankle Strap
Exoframe 4.0
Exoframe ankle straps are lightweight, super durable and provide a locked in ride feel.
Toe Strap
TS 2.0 W/Pin
Multi-Positional options, thermoplastic anti-slip material and fit to any boot.
Ratchet
Magnesium 3.0 w/Aluminum Base
Fast in, fast out - Union magnesium ratchets are four times the strength of aluminum with only half the weight.
FLAD
Split 2.0
Easily switch from hike mode to ride mode in seconds.
Hardware
Titanium + Grade 8.8 Steel
The strongest steel available on the market + Lightweight Titanium.
Gas Pedal
Non-Stick EVA
Prevents snow and ice build up under boots.
Strap Adjustment
Tool-Less
No tools needed for adjustment. Simply flip open the tool-less adjuster, unscrew and adjust.
Canting
No
0º
Suggested Board to Binding Flex

Boards and bindings come in a variety of stiffnesses for different types of riding. Every rider has their own preference on how a board and binding should interact. Below is Union's suggestion of board to binding flex.

suggested board bindings suggested board bindings
Soft
Stiff
Disk Type and Compatibility
disk bindings

Explorer Split Disk

disk bindings

Voile Compatible

disk bindings

Explorer Quiver Disk

disk bindings

4x2

Product Video

Expedition Technology

Technological Innovations

Expedition Technology
What originally started as a goal to build the best splitboard binding on the market has since turned in to much more than just bindings. The Expedition collection has everything you need to get out and explore your local backcountry with confidence and comfort.

Click to Learn More
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Uncertain what you should ride? Let us help.

BINDING FINDER
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Compare features and technical specifications.

BINDING COMPARE
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MEN’S BINDINGS - - X-SMALL SMALL MEDIUM LARGE X-LARGE
US Men - - * - 5.5 5.5 - 7.5 8 - 10 10.5 - 13 13 - 15
US Women - - 4 - 6.5 6.5 - 8.5 9 - 11 - -
US Kids - - 3K - 5.5K 5.5K+ - - -
UK - - 2 - 4.5 4.5 - 6.5 7 - 9 9.5 - 12 12 - 14
EURO - - 34 - 37 37 - 40.5 41 - 43 43.5 - 46 46 - 48
MONDO - - 21 - 23.5 23.5 - 25.5 26 - 28 28.5 - 31 31 - 33
WOMEN’S BINDINGS - - SMALL MEDIUM LARGE - -
US Men - - * - 5.5 5.5 - 7.5 8 - 10 - -
US Women - - 4 - 6.5 6.5 - 8.5 9 - 11 - -
US Kids - - 3K - 5.5K 5.5K+ - - -
UK - - 2 - 4.5 4.5 - 6.5 7 - 9 - -
EURO - - 34 - 37 37 - 40.5 41 - 43 - -
MONDO - - 21 - 23.5 23.5 - 25.5 26 - 28 - -
KIDS' BINDINGS ONE MINI SMALL MEDIUM - - -
US Men - - * - 5.5 5.5 - 7.5 - - -
US Women - * - 4 4 - 6.5 6.5 - 8.5 - - -
US Kids 7C - 11C 11C - 3K 3K - 5.5K 5.5K+ - - -
UK 6 - 10 10K - 2 2 - 4.5 4.5 - 6.5 - - -
EURO 24 - 28 28 - 34 34 - 37 37 - 40.5 - - -
MONDO 13.5 - 17.5 17.5 - 21 21 - 23.5 23.5 - 25.5 - - -
CROSSOVER SIZING

MEN'S
 - - X-SMALL SMALL MEDIUM LARGE X-LARGE
US Men - - - 6 - 8 8.5 - 10.5 11 - 13 14 - 15
UK - - - 5 - 7 7.5 - 9.5 10 - 12 13 - 14
EURO - - - 38 - 41 41.5 - 43.5 44 - 46 47 - 48
MONDO - - - 24 - 26 26.5 - 28.5 29 - 31 32 - 33

STEP ON® bindings are ONLY compatible with STEP ON® boots. Do not use either product with non-STEP ON® boots or non-STEP ON® bindings. Consult the size chart to ensure that you have the correct size binding for your boot size. Pairing incompatible size boots with bindings may lead to malfunction and could compromise your safety. Women’s and Men’s sizing are based on different size standards. Combining men’s and women’s STEP ON® products will result in malfunction and could compromise your safety.

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BINDING FINDER
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01. General Info:

Select
Men
Women
Kids

Find My Size | Based on 's Size Chart arrow icon union

Select
US
EURO
UK
MONDO
Select
*-5.5
5.5-7.5
8-10
10.5-13
13-15
2-4.5
4.5-6.5
7-9
9.5-12
12-14
34-37
37-40.5
41-43
43.5-46
46-48
21-23.5
23.5-25.5
26-28
28.5-31
31-33
4-6.5
6.5-8.5
9-11
2-4.5
4.5-6.5
7-9
34-37
37-40.5
41-43
21-23.5
23.5-25.5
26-28
7C-11C
11C-3K
3K-5.5K
5.5K+
6-10
10K-2
2-4.5
4.5-6.5
24-28
28-34
34-37
37-40.5
13.5-17.5
17.5-21
21-23.5
23.5-25.5
YOUR SIZE IS: One Mini XS S M L XL

02. Riding Ability:

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03. Riding Style:

FREERIDE
Steep, Deep, Hard Charging
ALL MOUNTAIN / FREESTYLE
Soft and surfy carving
ALL MOUNTAIN
Ride any terrain
STREET / JIBBING
Maximum freestyle flex
ALL MOUNTAIN / FREERIDE
Destroy the resort
CARVING / BOARDERCROSS
Instant edge-to-edge response
FREESTYLE / PARK
Jumps, rails, and pipe
SPLITBOARDING
Climb Up, Ride Down

04. Our Recommendation:

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UNION BINDING CO. 2026/27
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