REASONS TO BUY
Lightweight
Easily accessible pockets
Great fit
REASONS TO AVOID
Soft flasks bounce around
No pole carry
Raidlight Revolutiv 3L V2 Review
There's room for layers, ample food, water, your phone, and then some in this featherweight vest
Credit: Raidlight
RELATED: Best Running Hydration Pack of 2024
Our Verdict
The Raidlight Revolutiv V2 has one speed: fast. You know when you're planning a run, and you feel like you need more than a handheld water bottle and a waist belt, but the idea of bringing a pack feels overkill? This vest fits perfectly in that niche area. Accessing all three pockets located along the ribcage and across the back is hassle-free and doesn't feel like you're chicken winging or doing contortionist tricks to get to your essential gear. Two quick pull elastic adjustments keep the fit snug, although when the soft flasks are partially empty, they slosh around significantly. That said, the chest pocket sleeves that accommodate the soft flasks are spacious enough to store additional gear such as sunglasses, a phone, an inReach device, and much-needed snacks.
Our Analysis and Test Results
Whether you are trying to set a new FKT on a local loop, toeing the line for a fast 50k, or just need slightly more carrying capacity than a waist belt can offer, the Raidlight Revolutiv V2 is a svelte and appropriate choice. We loved this vest for mountain missions because its low profile is easy to fit beneath an ultralight pullover rain shell. Warning: having a very light vest may lead to the purchase of other very tiny lightweight gear to fit in your new petite vest.
Performance Comparison
For faster races and longer threshold workouts that require more than a waist belt can carry, this dainty number hits the sweet spot.
Credit: Jeff Colt
Comfort
Laser-cut fabric and taped seams contribute to both the comfort and airy weight of this vest. Initially, the thin shoulder straps and concentrated carrying weight along the bottom gave us some pause and hesitation. No need though, the medium Revolutiv fits a 5'10", 155-pound torso seamlessly, with plenty of adjustment in the elastic chest straps. Additionally, the shoulder straps weren't noticeably cutting; they remained flat and comfortable.
Two elastic adjustment straps on the Raidlight Revolutiv help keep the fit secure across the chest. The stretch material provides a hugging fit around the ribcage.
Credit: Jeff ColtJeff Colt
The balance from the low set pockets on the Revolutiv is amazing until the hydration flasks are emptied a bit. This is our main gripe with this pack, and we'll talk about it in a few different places. Having a failing hydration system that dramatically impacts the fit and comfort is no good, and it's what kept this pack from being a top performer.
All of the storage is positioned at the bottom of the vest across the back and wrapping along the ribcage, nicely balancing with the chest pockets for a comfortable ride even at a fast pace.
Credit: Jeff Colt
Features
Another small complaint that we have is the pole carry system — or lack thereof. The previous version of this vest had a pole carry solution across the chest that was removed from this design.
With minimal weight comes minimalist features, but ventilation is inherent to the build of this vest.
Credit: Jeff Colt
There is ample storage in the Revolutiv considering its petite size with three zippered pockets and two oversized hydration sleeves. The material itself is a great feature, with top-notch breathability and visibility of each pocket's contents. Additionally, an emergency whistle is positioned on the top adjustment strap.
Hydration System
The Revolutiv V2 is not compatible with a hydration bladder but comes with two 600mL soft flasks equipped with extension straws that place your bite valves a turn of the head away. All of this sounds great in writing, but there are some hiccups. For one, the elastic loops that are meant to secure around the neck of the bottles and support the soft flasks within the sleeves are loose. And, once the flasks are partially emptied, they bounce around and out of the support loops.
Our biggest gripe with this vest: the bottles don't stay in play due to the elastic support loops being too loose. The bottles slide down into the hydration sleeve and bounce significantly if they are partially full.
Credit: Jeff ColtJeff Colt
A snugger-fitting hydration sleeve pocket for the soft flask could prevent this, but we like the additional room in the chest pockets for storing random gear. A more durable tighter support loop is needed to help with managing the flasks. We also found that the straw that extends into the soft flask from the top makes it dramatically more challenging to drink from the bottles. We can suck pretty hard, but our cheek muscles tired out trying to drink from these without actually squeezing the bottle.
At 600mL each, the soft flasks have a nice shape and carry more than a liter of water, but the straw on the bite valve makes it difficult to get water out of the bottles without squeezing them.
Credit: Jeff Colt
Volume to Weight Ratio
We gave the Revolutiv a marginally higher score than the ratio delivered, in part because we could fit so much in the 3L of storage and because there is a noble design element to making the lightest race vest on the market.
At 6.6oz, the Revolutiv is the lightest pack we tested and with some management, it performs really well for a featherweight race vest.
Credit: Jeff Colt
This vest is trimmed down for racing at 6.6 ounces (with the soft flasks), but we found it to be in a league of its own. It is closer in weight to many hip belts but can carry nearly as much as a proper hydration vest meant for ultras. What's more, the positioning of the gear is excellent. Unlike hip belts that can mess with the interface of your shorts and shirt and bounce with every stride, the positioning of the gear in this vest is right at the taper of the ribcage, keeping everything snug.
Despite only 3L of carrying capacity, we fit an entire race kit in the three zippered pockets. We also found that the hydration sleeves on the chest were oversized and could store additional gear like sunglasses, a phone, or GPS unit.
Credit: Jeff Colt
Pockets
While there is no external storage pocket, we managed with the two side zippered pockets and larger back zippered pocket quite well. Accessing a phone was more difficult in the back pocket, not because of location, but because without external storage, there was also a rain jacket and a first aid kit in there.
The gear and food for a 20 mile mission in the San Juan Mountains - it all fit!
Credit: Jeff Colt
The confidence we got from taking this pack on a 20 mile, high alpine epic of 10+ hours changed our thinking about whether or not the Raidlight Revolutiv V2 is suitable for ultras. Our conclusion is that we would use this pack for distances of 100k and under. It doesn't quite have the storage to easily manage gear for a 100-mile race, but can adequately carry two layers, food, water, and other gear.
A small zippered pocket on the chest for storing food, trash, or car keys would make a big difference in this space-conscious design. On the whole, we found every pocket to be accessible while running fast, something no other vest could deliver.
Value
If the above description makes you giddy for this vest, then yes, there is value. We will reach for this vest instead of a waist belt going forward because it changed how we think about accessibility and the distances that qualify for bringing along a vest. The Raidlight Revolutiv has a niche, and it outperforms lightweight vests and higher volume waist belts. While we didn't recognize this hydration pack with any award, for the right runner, this is the choice vest in our review.
Conclusion
Lightweight, highly breathable, ample storage, comfortable, and no issues accessing any of the pockets while running at a fast clip. This vest is almost perfect in some regards, but take note: there is a learning curve to using it and making it work with the loose support straps for the hydration flasks. We will certainly be keeping our eyes out for a V3 that addresses the loose soft flasks because, with that fixed, the Revolutiv is a top contender.
What an awesome mountain running companion! With some tweaking and strategic gear storage to prevent the soft flasks from bouncing , this vest is capable of most missions!
Credit: Jeff Colt
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Jeff Colt
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