Nathan VaporAiress Lite 4L Hydration Vest

Women's Packs
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Carry everything you need and stay hydrated during your run with the lightweight Nathan VaporAiress Lite 4L Hydration Vest.

This hydration pack fits like it was tailored for you with Nathan’s Adaptive-Fit™ technology. Nathan designed the VaporAiress specifically for females, integrating two set-it-and-forget-it hook and loop panels to adjust it for your body type. The lightweight and breathable mesh and stretch woven materials provide comfort as you rack up the miles.

This hydration vest comes equipped with a 2L bladder that has a quick release valve for all of your hydration needs. There are also seven total pockets, including front pockets that fit bottles or flasks up to 22 oz and back pockets for storing extra layers.

Be ready to rock the trails with the Nathan VaporAiress Lite 4L Hydration Vest.

Who It’s Best For

The Nathan VaporAiress Lite 4L Hydration Vest is an advanced women's-specific vest that is great for race day or training for those who want a bunch of pockets, 2L bladder and a lightweight vest.

Materials & Tech Specs

Material: 60% Nylon, 40% Polyester

Storage Capacity: 244 cu in/4 Liters

Weight with Bladder: 11.5 oz/ 326 g

Weight w/o Bladder: 7.0 oz/198 g


Pack cleaning instructions: Hand wash cold with mild detergent. Line dry. Do not use bleach, fabric softener, iron or dry clean.

Bladder cleaning instructions: Unscrew cap, separate bladder and hose. Wash bladder with warm water and soap. Run warm soapy water through the hose. Rinse both until soapy residue is gone. Dry with top open.

Pro tip: Use balled up paper towels in your bladder to help it dry

Other cleaning tips:

Stains: Bladder staining is generally caused by food coloring used in liquids. This staining does not affect the functionality of the bladder, yet can be difficult to remove. We recommend using a chlorine free, non-toxic, and biodegradable tablet to combat stains and odors.

Plastic taste: Occasionally users may notice a plastic taste. To reduce, squeeze lemon juice into the reservoir, fill with water, and place in the freezer. After frozen, remove, thaw, and rinse.

Lubrication: Some users may need to occasionally lubricate the rubber O-ring on their connector to ensure a smooth connection and for leak prevention. If necessary, apply glycerin, silicone, or pure beeswax as lubricants. Avoid olive oil, coconut oil, cooking oils, etc. These types of oils cause the seal to swell and make it difficult for the system to be disengaged.

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