Nix Sweat Patch Refills – 4 Single-Use Hydration Patches for Reusable Pod — Open-Box, 21% Off

Designed Exclusively for Use With The Nix Hydration Biosensor - These single-use adhesive patches are engineered to work exclusively with the reusable, rechargeable Nix Hydration Biosensor. Each patch measures your unique sweat composition in real time to deliver personalized hydration insights. The perfect fitness accessory for endurance athletes training for their next marathon, Ironman or triathlon.

Single-Use Patches For Accurate Results - The Sweat Patch Refill Pack includes four individual sweat patches, each intended for one workout session only. The patch sticks onto the surface of the skin with kinesiology tape. Made from a latex-free medical grade acrylic adhesive. Simply clip the Nix Pod onto your patch at the start of each workout and begin the session within the Nix Solo app to ensure optimal sensor accuracy and consistent data tracking.

Sweat-Powered & Science-Backed - The Nix system activates only when you’re actively sweating. No needles, no blood, just adhesive. The hydration monitor gives you personalized sweat metrics like fluid and electrolyte losses directly from your sweat for smarter, safer training.

Built For Endurance & Race Prep - Over 70% of Nix users use their biosensor while training for endurance events or races. Ideal for endurance sessions 45+ minutes or longer including brick workouts, long runs or bike rides, and race training. The Sweat Patch Refill supports serious athletes focused on peak hydration and recovery.

Safe, Non-Invasive & Easy To Apply - Completely non-invasive and skin-friendly adhesive design for all athletes. No cleaning required. Not a glucose monitor, continuous monitoring device, or medical product. For fitness and performance use only. This product can only be used in connection with the Nix Hydration Biosensor Pod and Nix Solo app.

Precision Sweat-Sampling & Patch Technology - The single-use Sweat Patch, worn on the bicep, requires as little as 4.5 microliters of sweat to initiate a reading, allowing the pod to rapidly assess local sweat osmolality and electrolyte concentration, then extrapolate your whole-body losses. The patch features a sealed reservoir and micro-flow channels that begin to analyze as soon as you start to sweat, maintaining accuracy of your sweat data from your specific biomarkers.

The Nix Biosensors Sweat Patch Refill Pack includes four single-use patches engineered to work as a hydration tracker device exclusively with the reusable Nix Hydration Biosensor Pod and free Nix Solo app, providing real-time hydration insights during every workout. Each patch activates only when you begin sweating and then analyzes your fluid, electrolyte, and sodium losses to help you understand your body’s needs and stay properly hydrated. Designed for athletes, runners, cyclists, and fitness enthusiasts, these lightweight, single-use patches are comfortable, non-invasive, easy to apply, and require no cleaning. Simply apply a new patch before each workout to track hydration without disrupting your routine. Ideal for optimizing endurance, improving recovery, and enhancing performance across all training types. The Nix Sweat Patch Refill is the perfect addition to your running essentials, cycling accessories, and fitness programs. The Nix system delivers personalized feedback to help you fuel smarter and train harder. Not a sweat pad for underarm perspiration, but a sweat patch to measure fluid and electrolyte losses for athletes. Sweat Patches must be used in conjunction with the Nix Hydration Biosensor Pod and free Nix Solo app. Not a medical device. For fitness and performance use only. Stay ahead of dehydration and perform at your peak every time you train.