Union Women’s Ultra Bindings Review

The Union Women's Ultra bindings felt stiffer and handled an aggressive approach a lot better than I I thought – and coupled that with surprisingly good board feel and slower speed agility. In some ways it felt as if they were built more for riding fast and locked-in than for cruising casually or playing around at slower speeds – but they managed to both really well.

They gave a lot of control on carves, absorbed shock really well and felt very stable when riding fast. But somehow at the same time they felt comfortable and easy to move around in at slower speeds.

In this review I will take a look at the Women's Ultra as all-mountain freestyle snowboard bindings.

As per tradition here at SnowboardingProfiles.com I will give the Women's Ultra a score out of 100 (based on several factors) and see how they compare with other women's all-mountain freestyle bindings.

Overall Rating

Bindings: Union Women's Ultra

Price: $329 (USD recommended retail)

Style: Freestyle/All-Mountain Freestyle

Flex Rating: Medium (6/10)

Flex Feel: Medium (6.5/10)

Rating Score: 91.0/100

Compared to other Women’s All-Mountain Freestyle Bindings

Overview of the Women's Ultra’s Specs

Check out the tables for the Women's Ultra’s specs and available sizes.

Specs

Who are the Women's Ultra Most Suited To?

The Union Women's Ultra bindings felt best suited to riders who wanted a mid-stiff, decently powerful and locked-in binding for riding fast, carving hard and absorbing rough snow and landings but also wanted good slow speed performance and good board feel.

Big feature freestyle comes to mind as their ultimate calling. But they did well enough all over the mountain and in all styles of riding to work as all-mountain or freeride bindings too.

I suspect they would lean a little more towards the playful freestyle end (not super playful, still good for big feature freestyle, but just more in the middle than what I felt them) of things and a little more towards slower speed agility than the higher end carving and high speed support that I got from them, if my boots hadn’t been so tight in the heel cup. I feel like that made quite a big difference to the feel of the bindings.

With narrower boots at the heel, I feel it would change the personality of them. Not drastically, I wouldn’t say, but enough to be noticeable.

Best for intermediate and up riders – a little too stiff and not forgiving enough for beginners, IMO.

Best matched to boards with a 4.5/10 to 7.5/10 flex and even more suitable for that 5.5/10 to 6.5/10 range, IMO.   

Test/review details for the Women's Ultra

O.k. let’s take a more detailed look at what the Women's Ultra are capable of.

Demo Info

Binding: Union Women's Ultra, M

Date: March 18, 2025

Flex

The Women's Ultra felt stiffer overall than what I would have expected. I was expecting closer to 5/10 but could almost get them to 7/10. I settled on 6.5/10 though.

The flex felt pretty even throughout the binding, rather than being noticeably stiffer in one particular area.

Mounting

Mounting was relatively easy and there weren't any real quirks to worry about.

The adjustability was decent in some areas, but not amazing overall. The heel cup was adjustable, which was good, and there was ok stance width adjustability, though the mini-disc naturally limited that a bit. The toe strap had 2 positions and the highback rotation had 2 independent positions as well.

But there was no forward lean adjustment, no ankle strap position adjustment and no gas pedal extension. So, while there was enough there to get a workable setup, they weren't the most adjustable bindings overall.

Boot Fit

The fit was quite tight for me, particularly in the heel cup.

There was no extra room in the heel cup at all, and that gave the boot more locked-in feel than it might have otherwise, which could at least partially explain why they felt a bit more rigid than I was expecting. Around the front of the binding there was a little more room, particularly around the toe area, but the heel was definitely snug.

That tight heel cup was good for control, but it also made entry and exit less smooth. The heel could get slightly stuck when getting in and out of the binding, which made the process a bit more awkward than I’m used to. It would depend on your boots and which size your riding as to whether you’d experience them as tight. But something to be aware of, particularly if you have boots that are bulkier around the heel.

Comfort

Comfort had the potential to be high-end with these bindings, but a couple of things prevented them from getting top marks from me.  

Firstly, that tight feel in the heel cup made them feel less comfortable overall than they could have been.

Secondly, the ankle strap. The ankle strap gave good support and conformed nicely to the boot, but I got some pressure on the top of my feet. I also felt a little bit of calf bite, but nothing crazy.

In hand, the ankle strap itself felt soft and flexy, with a harder skeleton on the outside. The toe strap felt nice and flexible, and the highback padding covered the full highback, with a squishy/flexy center section.

So, there were some good comfort-focused parts in the design, and while they were decently comfortable overall on snow, they didn’t quite live up to the comfort potential it felt like they could have had.

Board Feel

Board feel, like it typically is with Union bindings that have their mini-disc felt awesome. They were easy to press and manipulate. The only thing is that I couldn’t help but feel they could have been even better if the fit in the heel cup wasn’t quite as tight.

Slow Speed Response

Edge-to-edge quickness was really decent. They didn’t feel like the kind of bindings that made mellow turns, tight trees or casual cruising feel effortless as such, but still really decent. Again though, that tight heel cup may have taken away from how good these might have felt for slow speeds, if there was a bit more freedom of movement in that area.

Carving

Carving was a surprisingly strong area for the Women's Ultra.

They gave a decently locked-in feeling on carves, feeling nice and secure through a carve. Once I got on edge, they really helped the setup hold on.

They also felt good at speed. There wasn't any real washout, and they stayed smooth and stable when pushing faster.

This is one area where I felt the tight heel cup fit actually helped.

Shock Absorption

Shock absorption was another big strength of these bindings. The bindings felt like they took a good portion of the impact from jumps, landings and rougher snow. Landings felt smooth and controlled, and they absorbed chatter really well.

The footbed had good padding in the heel and toe, and the underside was fully padded with a dense but springy feel. The toe and heel areas had a lot of movement and padding rather than feeling like solid, dead plastic. That translated well on snow, especially for dampening and impact absorption.

Ankle Support

Ankle support was really good. The bindings felt very supportive and a good bit more supportive than the average bindings, from my experience.

This is likely another area that the tighter heel cup overstated a little bit.

Entry/Exit

Entry and exit were fine. Nothing special, but nothing majorly wrong either. The ratchets felt smooth enough. Not ultra smooth, but as smooth as they needed to be. The process itself was normal and straightforward.

The only issue was the tight heel cup. Because the heel fit was so snug, the boot could get a little stuck when getting in and out, which made the process slightly less smooth and easy.

Score Breakdown and Final Verdict

Check out the breakdown of the score in the table below.

The Union Women’s Ultra bindings surprised me with how powerful and locked-in they felt, especially given their strong board feel and decent slower speed agility. They felt stiffer than expected, around 6.5/10, and were at their best when carving hard, riding fast and absorbing rough snow or bigger landings. Shock absorption was a real strength, helping smooth out chatter and impacts, while ankle support also felt very solid.

Despite that more aggressive personality, they still offered good board feel, were easy to press and felt maneuverable enough for slower turns and more casual riding. The main drawback was fit. The heel cup was very tight with my boots, which added control and support but made entry/exit less smooth and likely made the bindings feel stiffer and less playful than they otherwise might.

Overall, they’re best for intermediate and up riders wanting a mid-stiff binding for all-mountain, freeride or bigger-feature freestyle riding.