No. The two-sided inner layer in all the garments, which can be worn against the skin or over clothing, has a conductive, breathable lining on one side and a water-resistant barrier on the other to keep the skin dry.

While the components of the fabric work to keep the moisture that is added to the vest away from your skin, it is common that water drops will bead on the surface fabric of your Silver Eagle garments following activation. When this occurs, you can towel-dry or shake out any of this excess. *One of our customers contacted us with a great way to avoid this excess moisture: "After the vest is soaked, roll it in a towel to get rid of the excess. Works a treat." Scott - Spain

All of our vests are lightweight and do not gain bulk when activated. This is a result of the two kinds of polymers that compose the material's inner batting: one that absorbs water, and one that repels water. Because of this design, only the right amount of water will be absorbed to enable maximum cooling without drippy wetness.

The precise weight depends on the size and type of vest. The weight of a size large zip-front vest is less than one pound. The interior batting generally absorbs no more than 16-18 ounces of water, leaving the activated vest-weight at approximately 1.5 lbs. This would be about the same or less for the Classic Vest.

The best way to determine what size you need in any of our products is to take the appropriate measurements and compare them to the size charts available for each product.

Vests: All Silver Eagle cooling vests should fit snugly against the body, but not so tight that movement is restricted. Because the fabric does not swell or get bulky or heavy when activated, the size of the vest when activated is no different than when it is dry.

T-Shirts: Silver Eagle's loose fit Performance Gear is designed for a comfortable relaxed fit and offers a generous cut.

Animal Products: We base all of our cooling dog vest/jacket sizes on the dog's top-length (length from the neck to the base of the tail), girth, and neck measurements. Each vest is fitted to the girth of the canine using the Velcro strap(s) available on the garment.

Headwear: Please note that our caps and neck shades are "one size fits most" and can be adjusted to fit most head sizes. For our hats and helmet liners, sizes are based on measurement. Using a tape measure, determine the circumference of your head to the nearest 1/8 of an inch. To do this, measure across the widest part of the head, above the eyebrows and ears. Then, use the size charts to convert this measurement to the correct hat or liner size.

Our do-rags are made with our cooling 3-layer cooling fabric, which require you add moisture for the evaporative process. These work well when worn alone (without a helmet). The issue of wearing the do-rag beneath a helmet has been raised numerous times, and it all boils down to the following considerations:

• The helmet must fit loosely enough to accommodate the hardhat liner/Do-Rag. While the neither the hardhat liner or the Do-Rag is very thick, both are just dense enough to require a little bit of extra space in the helmet. Given your comment that your current helmet is a tight fit, I am thinking this may not work for you.
• There must be enough airflow to allow the moisture added to the do-rag through the activation process to evaporate. This evaporation is what causes the fabric to cool you; blocking off the evaporation with a non-breathable fabric defeats the purpose.
• Unlike the liner fabric of the our headwear, there is no durable water repellent on the outer fabric. This means that it's possible for some moisture to transfer from the do-rag to the interior of the helmet initially after activation. Generally, this is minor and doesn't last very long, but it is something to consider.

If you choose to have either headwear item activated (you can soak them and store them in a water-tight/zip-lock bag) and ready-to-wear as soon as you have your helmet off (as many of our customers do), the choice of which is the better style is a matter of your personal preference...

The helmet liner is made with our moisture wicking microfiber. It is silky soft and ultra thin, so it will fit under the tightest of helmets. The fabric will continuously wick moisture away from your head and quickly evaporates the moisture, helping to keep your head dry and to prevent the itchiness associated with helmet head.

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