Atom 4 Hydration Pack - Women's
The measurements presented are for guidance only. Actual fit may vary depending on the product's cut. For optimal choice, trying on the item remains the best option.
Oxsitis pack and vest sizing is based on your chest circumference. If you are between two sizes, choose the larger one for more comfort and freedom of movement. Some women's models also come in XXS, below the XS size.
Packs and Vests - Men
| Size | Height (cm) | Chest (cm) |
|---|---|---|
| S | 155 – 165 | 80 – 90 |
| M | 170 – 175 | 95 – 100 |
| L | 180 – 195 | 105 – 115 |
Packs and Vests - Women
| Size | Height (cm) | Chest (cm) |
|---|---|---|
| XS / S | 155 – 160 | 75 – 80 |
| M / L | 165 – 190 | 85 – 100 |
Belts - Unisex
| Size | Waist (cm) |
|---|---|
| XS | 66 – 72 |
| S | 73 – 77 |
| M | 78 – 82 |
| L | 83 – 88 |
| XL | 89 and up |
Why this price?
- Samples and overstock from major brands
- New products
- Limited quantities – no restock
Designed for trail running, cross-country skiing, and endurance activities, the Osxsitis 4 L hydration pack offers an ideal balance of lightness, stability, and storage capacity. Its vest-like design conforms to the body to minimize bouncing during exercise, while its multiple accessible compartments keep hydration, nutrition, and essentials within reach. Compact and breathable, it is perfect for quick outings and short to medium-length training sessions.
Features
- Approximately 4-liter capacity
- Vest-like construction for optimal stability
- Front compartments accessible without removing the pack
- Compatible with a water bladder and soft flasks depending on configuration
- Adjustable chest straps
- Lightweight and breathable fabric
- Quick-drying
- Practical storage for nutrition, phone, and light clothing
- Designed for high-intensity endurance activities
Materials
- Lightweight synthetic polyamide and polyester fabrics
- Breathable mesh inserts for better ventilation
- Technical, lightweight straps and buckles
Key features
✓ Excellent stability while running
✓ Quick access to hydration and accessories
✓ Compact size to minimize bulk
✓ Enhanced breathability during sustained efforts
✓ Lasting comfort on long outings
✓ Ideal for trail running, cross-country skiing, and endurance training
✓ Lightweight and ergonomic for maximum freedom of movement
