The Nix Hydration Biosensor ($189 USD) is a wearable sweat sensor for runners, cyclists, triathletes and other athletes. It measures fluid and electrolyte losses in real time during workouts of 45 minutes or longer and tells them when, what and how much to drink.
The Starter Kit includes 1 rechargeable Pod, 4 single-use Sweat Patches, 1 charger case and a charging cable. All Nix products are HSA/FSA eligible.
Still looking looking for the perfect gift for the runner, cyclist, triathlete in your life? Whether it's a Christmas gift, a Hanukkah present, an anniversary or birthday surprise, it's a gift most athletes don't already own, and one they'll use on every long session.
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Whether your loved one is a marathoner, an ultra marathoner or just starting to run his or her first 5K, the Nix Hydration Biosensor is the perfect gift.
Why they will love it:
Awarded the 2024 Gear of the Year Award by Runner's World, the Nix Hydration Biosensor is easy to use and provides users with real-time fluid and electrolyte losses while working out -- especially important during long runs or in hot and humid temperatures when they will be looking to avoid cramping during exercise.
It's one of the most practical gifts for marathon runners: a running accessory that sends real-time drink alerts to their phone, Garmin watch or Apple Watch, and the free Nix Solo app's Race Day calculator turns their long-run data into a hydration plan for marathon day.
Training for a triathlon - whether it is a sprint, Olympic, half or full Ironman distance - is no easy feat. It takes extreme dedication. Help give them that little extra edge to push through those brick trainings.
Why they will love it:
Triathletes are very diligent about adhering to their training and nutrition plans. Now they no longer need to leave their hydration up to chance. Wow them with real-time fluid losses and let them geek out based on their minute by minute electrolyte losses. Purchase a hydration monitor or a gift card.
It's a natural pick among gifts for triathletes heading into a 70.3 or full Ironman: the app's Priming, Race Day and Recovery calculators help them plan their hydration before, during and after the race.
Is the cyclist in your life training for an upcoming event or just enjoying their rides either solo or in a pack? Add another accessory into their toolkit. In early 2025, UCI approved the Nix Hydration Biosensor for race-day use.
Why they will love it:
Bicycling.com recommends the Nix Hydration Biosensor for both their long weekend rides as well as their indoor training sessions. As a bonus, athletes can add their custom electrolyte beverage into the app to better understand their replenishment on the go.
Nix also pairs with Garmin bike computers, Garmin watches and Apple Watch, so they can see their data without taking their eyes off the road.
Exploring miles and miles of tough terrain is not only thrilling and addictive but it is also exhausting. Concerns of dehydration are real so arm your fellow biker with a gift they can actually use.
Why they will love it:
The Nix Hydration Biosensor adheres comfortably to the bicep so that they will forget it is even there. Yet, the fluid loss provided by the app with be invaluable before they tackle the next trail.
Shopping for Christmas gifts for men who run, ride or race? Whether you're looking for gifts for dad, your husband or your boyfriend, Nix is a gift he'll use on every long session. For the man who already owns the GPS watch and every training gadget, Nix is a unique gift for men that adds a data stream he's never had. It pairs with the Garmin or Apple Watch he already wears, so it suits the tech lover and the marathoner alike. It also belongs on any list of gifts for tech lovers: for the tech guy who already owns all the usual gadgets for men, Nix adds a wearable biosensor he doesn't have.
Looking for Christmas gifts for her or unique gifts for women who run, ride or race? Whether you're shopping for mom, your wife or your girlfriend, Nix is built around her own physiology. For the woman training for her next marathon, triathlon or century ride, Nix gives her personal fluid and electrolyte numbers, with sodium broken out separately, to train and race by, instead of generic hydration advice.
Sweat Patch Refills make an easy stocking stuffer, since each patch covers one workout, and training bundles cover a full training block. Not sure what they need? Give a Nix gift card. You can add a gift message at checkout, and US orders of $35 or more ship free.
A hydration monitor like the Nix Hydration Biosensor ($189 USD). Marathon training means long runs where fluid and electrolyte losses add up, and Nix shows runners exactly what they're losing and turns it into a race-day hydration plan. Most runners don't already own one.
Data they don't have yet. Most runners and cyclists already own a GPS watch, heart rate monitor or bike computer, but few have ever measured their own sweat. Nix pairs with the Garmin or Apple Watch they already wear. If they already own Nix, Sweat Patch Refills or a gift card make easy add-ons.
Yes, if they're building toward longer events. Nix is designed for workouts of 45 minutes or longer, so it suits a runner training for a first half marathon or marathon, or a cyclist working up to a first century ride.
Yes. It gives runners, cyclists and triathletes real-time data on their own fluid and electrolyte losses, which most athletes otherwise estimate. It works with devices they already use and costs $189 USD.
Fluid loss, electrolyte loss and sweat composition, in real time. Sodium is broken out separately because many athletes track it closely.
The free Nix Solo app runs on iOS and Android, and Nix works with Apple Watch, Garmin watches and Garmin bike computers. All integrations here.
Yes, all Nix products are. Check your plan's rules; many FSA plans require funds to be used by year end.
Shop the Nix Hydration Biosensor.
Holiday savings are coming. Join the Nix email list to be the first to hear about this season's offers. Sign up here.