Model Information

Union Explorer

Splitboard Binding

Regular price: CHF 299.95
Sale price: CHF 299.95
Regular price: ~~CHF 399.95~~
Unit price: per

Tax included. Shipping calculated at checkout.

Available Colorways

Color

Available Sizes S M L

Size Chart

Size

Find My Size | Based on Men's Size Chart

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

11C-3K

3K-5.5K

5.5K+

10K-2

2-4.5

4.5-6.5

28-34

34-37

37-40.5

17.5-21

21-23.5

23.5-25.5

YOUR SIZE IS:

Quantity must be 1 or more

Must select color and size.

Free shipping for orders over 139€

Main Information

Union Explorer

When your splitboard bindings ride like your regular bindings, it’s easy to enjoy the ride down. The Union Explorer is a splitboard binding for beginner to intermediate splitboarders, that focuses on natural board feel, less moving parts, and a durable design built to handle the longest tours and steepest lines.

warranty union

THE UNION WARRANTY
LIFETIME FOR BASEPLATE / HEELCUP.
1 YEAR FOR EVERYTHING ELSE.

Riding Category

freestyle

Freestyle

Good

Great

freestyle

All Mountain

Good

Great

freestyle

Performance

Good

Great

Binding Flex

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":"SP2 Duraflex CB Baseplate","description":"When your splitboard bindings ride like your regular bindings, it's easy to enjoy the ride down. The SP2 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\/UN24_EXPLORER_BASE.jpg?v=1715098408"},"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\/UN24_EXPLORER_HB.jpg?v=1715098409"},"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\/UN24_EXPLORER_ANKLE_STRAP.jpg?v=1715098408"},"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\/UN24_EXPLORER_CLIMBING.jpg?v=1715098409"}}

Union Explorer

exoframe bindings

SP2 Duraflex CB Baseplate

When your splitboard bindings ride like your regular bindings, it's easy to enjoy the ride down. The SP2 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

Specifications

Binding Details

Technology

Baseplate

SP2 Duraflex CB

Bushing

Thermoformed EVA

Heelcup

Extruded 3D Aluminum

Highback

EXP2 Duraflex ST

Ankle Strap

Exoframe 4.0

Toe Strap

TS 2.0 W/Pin

Ratchet

Magnesium S1 with Aluminum Base

FLAD

Dino FLAD

Hardware

Titanium + Grade 8.8 Steel

Gas Pedal

Non-Stick EVA

Strap Adjustment

Tool-Less

Canting

No

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

HP Jet Fusion 3D Printing

Technological Innovations

HP Jet Fusion 3D Printing
Our in-house Multi-Jet Fusion technology allows for fast, rideable prototyping and even short-run production bindings. Design, Test, Ride, Repeat.

Click to Learn More

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Uncertain what you should ride? Let us help.

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BINDING COMPARE

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	MINI	SMALL	MEDIUM	-	-	-
US Men	-	* - 5.5	5.5 - 7.5	-	-	-
US Women	* - 4	4 - 6.5	6.5 - 8.5	-	-	-
US Kids	11C - 3K	3K - 5.5K	5.5K+	-	-	-
UK	10K - 2	2 - 4.5	4.5 - 6.5	-	-	-
EURO	28 - 34	34 - 37	37 - 40.5	-	-	-
MONDO	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:

GENDER:

Select

Men

Women

Kids

BOOT SIZE:

Find My Size | Based on 's Size Chart

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

11C-3K

3K-5.5K

5.5K+

10K-2

2-4.5

4.5-6.5

28-34

34-37

37-40.5

17.5-21

21-23.5

23.5-25.5

YOUR SIZE IS:

02. Riding Ability:

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BEGINNER

union bindings finder

INTERMEDIATE

union bindings finder

ADVANCED

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:

UNION BINDING CO. 2025/26

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