SPIbelt Running Water Bottle, H2O Hydration Companion, 8oz BPA-Free Sports Water Bottle – No Bounce, Leak-Proof Design, Clips to Running Belts or Shorts, Lightweight Fitness Water Bottle

I like this water bottle, it has just enough water to refuel midway through a hike without adding the weight of a normal and heavier water bottle. I did notice, as some others mentioned, that the bottle cap sometimes seems to leak. I found out through about 12 hikes that this occurs sometimes when the cap is not "evenly" screwed onto the grooves of the bottle itself. By way of explanation I have sent three pictures to illustrate the cap screw issue and a potential consideration for a clamp design change in later versions. The 1st picture shows the white bottle by itself and the neck threads of the bottle. You can see where there are 3 distinct grooves for the cap to engage. The 2nd picture shows the white bottle with the installed collar/clamp assembly fitted over the bottle neck opening. Not that the collar covers up the last of the three threads at the base of the neck of the bottle. It also could be that this loss of the last thread contributes to some of those times when leakage occurs. My sense is that the bigger issue is that folks are in a hurry to fill the bottle and they just start screwing the cap on even though it is not lined up properly, and if they stop screwing when they meet the resistance of the collar thinking the cap is secured then perhaps some water will come out when the bottle is turned upside down. One last observation for future clamp design considerations. The 3rd picture shows the collar/clap and cap installed with a normal 1 and 5/16ths inch leather belt which I use to hold both the water bottle and other assorted gear on hikes You can see clearly the pressure "fairings" on the clamp between the inside of the clamp and the belt. Note that the belt is wider than the SPIBelt (which I think is 1 inch in width). My belt is a pretty standard belt width and if the fairings were designed to be located about another 5/16th of an inch lower on the clamp it would much more securely hold the water bottle,...and make the bottle much more compatible with the overall water bottle user community, I think. I have experienced the bottle becoming partially or fully dislodged from the belt when I am entering or exiting a vehicle. Not a big deal to a user but something to watch for when using.

In my mid-twenties I've tested every conceivable way to stay hydrated on long runs—bulky handheld straps that bounce incessantly cheap collapsible flasks that leak at the worst moments and overbuilt belts with bottles that slosh like maracas. Most feel like compromises designed by people who've never logged serious mileage. After digging into options I chose the SPIbelt H2O Companion 8oz and it's the first hydration solution that feels purposefully engineered rather than an afterthought. The design is deceptively simple yet brilliant. The adjustable hand strap secures the lightweight BPA-free bottle firmly without cutting circulation and the ergonomic shape nestles perfectly in the palm for a natural grip. At 8 ounces it's just enough capacity for half-marathon distances without unnecessary weight and the leak-proof cap with pull spout works flawlessly even mid-stride. No fumbling no spills just reliable access. A month ago I was tackling a humid 15-miler on technical trails where my previous handheld had turned every step into a distraction—the strap chafed the bottle shifted and I ended up dehydrated and irritated cutting the run short. Switched to the SPIbelt for the same route and it disappeared into the background. Grip stayed secure hydration came effortlessly and I finished strong with a negative split actually enjoying the effort instead of managing gear. That seamless experience let me push harder and recover better. What separates this from competitors is the thoughtful integration—it's contoured to minimize bounce far better than generic amphipod-style holders and lighter than Nathan or FlipBelt equivalents without sacrificing durability. The strap adjusts precisely for bare hands or gloves and the bottle detaches easily for cleaning or refills unlike clunky integrated systems that trap residue. I've put hundreds of miles on it through washes and varying conditions with zero wear on the strap or degradation in the bottle. For runners who demand gear that enhances performance rather than hinders it this is the standout choice. It's not flashy but it's refined and effective. Easily the best running hydration I've owned.

It seems odd that it doesn't stay on their belt (which I find excellent for cell phone, GU, and keys) unless also hooked over your shorts. If you use both, it seems to stay on comfortably. For running the best position was just behind your side so your arm swing doesn't hit it. The lid only has 3 turns and the bottle has 4 turns. It looks cross-threaded if you don't use the clip. If it's not vertical, you need to use the clip and tighten it down against that or it will leak. The 8+ oz capacity and being dishwasher safe is better than many bottles. Certainly beats carrying water in your hand--that gives me cramps and throws me off balance.

Used these for a half marathon race and loved them! I did not have the SPIbelt so I was worried it wouldn’t stay on, but I did not have any issues the entire race. Easy to hook and unhook and then refill at aid stations. Perfect size between stations so I was never out of water.

Perfect for using with my running hands free dog leash and belt. I run 5 miles with my dog and needed a water bottle for him. I didn’t want a really big one, just a compact one that easily clips on my belt. This is perfect! It’s sturdy, stays in place and holds just enough water for him.

Clip doesn’t hold well and the water spills out as I run. I dropped it on one of my runs and didn’t even bother to return to get it.

I hate running with gizmos in my hand ( phone, flashlight, water bottle, etc.) For short runs I’ve yet to find an elegant solution to hot weather running. That is until I found this Spi water bottle attachment. Vests are seriously overkill and hydration belts are clunky and hot. This simple belt attachment clips on to the Spi belt (though any brand of a similar style will work) and provides just enough water to stay hydrated on a hot day. Product comes as shown with a belt attachment and water bottle.

This definitely still bounces on the belt, it weighs it down but I feel like that’s a given. Nice to be able to drink while you’re running!

Muy buen articulo, exacto el que esta en las fotos y el que queria...

It bounces, below my expectation. It’s to big to hold, yet too bouncy to hang on your hips/waist.

Super disappointed, definitely can't run with this bottle on the belt system moves way too much and was so distracting. Had to order a running vest instead.

I attached this water bottle to my Lululemon running belt and did a 19km run (5:30 pace... so relatively fast) and had NO problems with it. It did not bounce at all for me and I experienced no leaking. I was worried to try this after reading some reviews, but I found this worked very well for me. I only filled it to the fill line which maybe prevented the spilling some people were reporting. I really thought it would bother me but I didn't notice it at all throughout my run. Keep in mind it is small but perfect for shorter runs :) Highly recommend!

My favorite water bottle for running.