Ultimate Direction Race Vest 6L Review: 175g and Nine Pockets

The verdict: Buy it if your races are 50k to 100k with aid stations and you want the lightest vest that still carries a shell, food and two flasks without bouncing. Skip it if you face a mandatory kit list with an insulated layer and a bivvy bag, where 6 litres runs out and a 12 litre vest is the right tool.

Specifications

Specifications above come from Ultimate Direction's published specifications for the Race Vest 6L. Treat pricing as approximate, since Amazon pricing moves.

What it does well

• At 175 g this is roughly a third of the weight of a large hydration vest, and on a fast 50k that difference is felt rather than theoretical.
• Nine exterior pockets on a 6 litre vest means the capacity is spread where you can reach it rather than buried in one back compartment.
• Dynamic sternum straps move with your ribcage as you breathe, which is a meaningful comfort difference at threshold effort compared with fixed straps.
• Glove-friendly zippers sound like marketing until 4am at altitude, when they are the difference between eating and not eating.
• The whistle and reflective detail are built in, which covers two common mandatory kit requirements without accessories.

Where it falls short

• Six litres is genuinely small. A packable waterproof, gloves, a hat, food and a phone will fill it, and there is no room for an insulated jacket on top of that.
• The reservoir limit is 1.5 litres, so this is not the vest for long unsupported carries.
• Unisex sizing is convenient for the brand and less precise for the runner, and Ultimate Direction specifically directs buyers to the size chart. Do not guess.
• Minimal fabric means minimal padding. With a full load on a rough descent you feel the contents more than in a heavily structured vest.
• Light mesh vests wear faster than heavy ones. This is a race vest, and it will not last as many hours as a 15 litre pack.
• There is no substantial back panel structure, so poorly packed loads will shift. Pack it tight or pack it light.

What owners report

Owner reports on the Race Vest line consistently praise two things: the weight and the fit around the chest. Runners who have chafed in other brands frequently mention that the full wrap and the soft liner solved it. The included bottles get positive reports for shape and for how easily they collapse as they empty, which is what stops the sloshing that plagues rigid bottles.

The recurring criticism is capacity, and almost always from people who bought it knowing it was 6 litres and then faced a mandatory kit list. The other pattern worth noting is sizing: because the fit is unisex and snug, reviews from people who ordered by instinct rather than by measurement are noticeably less happy than those who used the chart.

Where it fits with the rest of your kit

Whether 6 litres is enough is the entire question, and race vest 5L vs 12L answers it against real kit lists. If you are earlier in the decision, hydration vest vs handheld covers whether you need a vest at all, and hydration bladder vs soft flasks covers how to carry the water. The bigger options are the Salomon Adv Skin 12 and the Osprey Duro 15L, and the field is compared in best running vests. Before deciding you can get away with a litre of fluid, check the number: the sweat rate calculator will tell you what you lose per hour, and the ultra fueling calculator tells you how much food has to fit in those nine pockets.

Who it suits

• Fifty kilometre and 100k racers on well supported courses.
• Runners who value low weight and full-torso fit over capacity.
• Anyone who has chafed in a more structured vest and wants a softer liner.
• Fast runners who refill at every aid station rather than carrying volume.

Who should skip it

• Runners facing winter or mountain mandatory kit lists.
• Anyone doing long unsupported carries, where 1.5 litres of reservoir capacity is not enough.
• People who will not measure their chest and use the size chart.

Alternatives worth considering

Common questions

Is a 6 litre vest big enough for a 100k?

For a well supported 100k in reasonable weather, usually yes: a packable shell, gloves, a hat, a headlamp, a phone, food and two flasks fits inside 6 litres. It stops being enough when the race requires an insulated layer, a bivvy or a full first aid kit, or when the weather means you carry more clothing than you wear. Read your race's mandatory kit list before you decide, and pack it into the vest at home rather than at registration.

What size Ultimate Direction Race Vest should I order?

Measure your chest and follow the published size chart. Ultimate Direction specifically flags this because the redesigned vest wraps fully around the torso for a snug fit, and a snug fit sized by guesswork is uncomfortable rather than secure. If you are between sizes and you plan to wear a jacket underneath in winter, size up; if you race in a singlet, size down.

Does the Ultimate Direction Race Vest come with bottles?

Yes, two Body Bottle 500 soft flasks are included, which sit in the front pockets. Soft flasks collapse as they empty so they do not slosh, and having two means you can carry water in one and a carbohydrate or electrolyte mix in the other. The vest also accepts a reservoir up to 1.5 litres if you would rather run a hose, though the reservoir is not included.

Ultimate Direction Race Vest vs Salomon Adv Skin 5?

They are close on price and capacity, and they differ on fit philosophy. Ultimate Direction wraps the full torso with a soft monomesh liner and dynamic sternum straps. Salomon uses its Sensifit construction, which is snugger through the chest. Runners tend to have a strong preference for one or the other, usually based on chest depth. If you can, try both loaded, because an unloaded vest tells you almost nothing.

How do I stop a running vest from bouncing?

Fill it properly and tighten it properly. A half-full vest with loose straps bounces regardless of brand. Pack heavy items low and against your back, use both sternum straps, and tighten the side adjusters so the vest moves with your ribs rather than on them. If it still bounces when correctly loaded and adjusted, it is too big for you, and no adjustment fixes a size problem.

Keep reading

• Race vest 5L vs 12L
• Hydration vest vs handheld
• Salomon Adv Skin 12 review
• Best running vests
• Ultra fueling calculator

This review draws on published specifications, manufacturer figures and the consensus of verified owner reviews. We have not tested this product ourselves, and we say so rather than implying otherwise. As an Amazon Associate we earn from qualifying purchases.