We primarily sell hydration systems from the American company Nathan. Some of these are easily adjustable and therefore "one size fits all." Some other products come in multiple sizes. So be sure to measure yourself carefully.
Nathan Running Backpack Size Chart
| Mate | Chest circumference |
| XS | 83.8cm - 88.9cm |
| S | 91.4cm - 96.5cm |
| M | 99.1cm - 104cm |
| L | 107cm - 112cm |
| XL | 114cm - 119cm |
Reflective vest size chart
| Mate | Chest circumference |
| S/M | 61cm - 102cm |
| L/XL | 96.5cm - 114cm |
Nathan | Luna Fire 250RX | Breast relief
The Nathan Luna Fire 250RX Chest Light has been specially developed for runners who want to train safely and comfortably in the dark. Thanks to the rechargeable battery, this is a sustainable choice that doesn't require constant battery power. 5 light modes up to 250 lumens you always have the right lighting for every run.
The comfortable strap easily fits around your chest or waist, and thanks to the adjustable beam, you'll always have optimal visibility. The light is also removable and can be clipped onto your pants or shirt.
✨ Key Benefits
- 💡 Powerful lighting – up to 250 lumens of bright LED light
- 🔋 Rechargeable battery – via USB, up to 25+ hours of burning time
- 🎛️ 5 light modes – Low (33 lm), Med (100 lm), Hi (200 lm), Boost (250 lm), Strobe (100 lm)
- 👕 Comfortable & versatile – wearable around the chest or waist, lamp can also be used separately with clip
- ⚡ Lightweight & universal – does not disturb while running
📊 Specifications
- Light output: max. 250 lumens
- Light modes: 5 (Low, Med, Hi, Boost, White/Strobe)
- Battery: rechargeable via USB
- Burn time: up to 25 hours
- Carrying options: chest strap or clip on clothing
- Weight: Lightweight design
🏔️ Perfect for
Runners and trail runners who safe and visible in the dark want to run, whether you train on the road or in the woods.
