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    Kool Max Deluxe Zipper Vest Kit with Vest - Large/Blue, Neck Wrap blue, Extra Packs

    The Kool Max Deluxe Zipper Vest Kit includes our best-selling Adjustable Zipper Vest with 4.5" x 6" Kool Max® Packs, a Kool Max® Deluxe Neck Wrap and a complete extra set of Kool Max® Packs for each product!
    Product #: 2KMVZKPC
    Vest and neck wrap can be used separately as needed or together for maximum cooling benefits. Add a Polar cooler to take your extra pack sets with you on-the-go.

    It is important for cooling vests to fit snug to the body for optimal cooling. This cooling vest has adjustable hook and loop straps at the chest, waist and shoulders for a snug, comfortable and customized fit.

    Front of a khaki Kool Max adjustable zipper front cooling vest
    Once the cooling vest has been adjusted for size, it is easy to put on every time with the zipper-pull front. The clean design (with no logos or visible pack pockets!) is available in several sizes. Wear the vest over clothing or discreetly underneath.
    The cooling vest shell is constructed of durable and machine washable 100% cotton twill.
    Kool Max® frozen water-based cooling packs require access to a freezer and offer the highest level of cooling energy. These reusable packs deliver comfortable cooling for up to 3-4 hours. It takes more energy to charge these packs in a freezer and in return, the packs offer greater cooling energy than Cool58® cooling packs. (Please note: cooling times are estimates and will vary depending on climate, body metabolism and activity.) The different vest sizes include eight (8) to twelve (12) 4.5" x 6" packs. See the size chart for more information.
    Two Kool Max 3 x 6 inch cold packs
    Packs fit into insulated pockets inside the cooling vest. The pockets have a comfortable all-cotton fabric to protect the skin and an insulated outer composite fabric to direct the cooling energy toward the body. Temperature may also be adjusted for comfort by increasing or decreasing the number of clothing layers beneath the vest or the number of packs used.
    Weight may be adjusted by varying the number of cooling packs used. Need a lighter weight vest? You don't have to use all of the packs! The use of separate, individual packs allows the number of cooling packs used to be customized for each person's preference and size. Some people find that using just three packs down the spine works well, resulting in a vest that weighs just 1.5 lbs.! Others prefer all of the packs except the two on the upper chest. Our design allows many options!
    Front interior of a M/L Kool Max zipper front vest with four pack pockets and four 4.5 x 6 inch Kool Max cooling packsBack interior of a M/L Kool Max zipper front vest with five pack pockets and five 4.5 x 6 inch Kool Max cooling packs

    Please note: The example vest shown above is size M/L. The number and location of pack pockets varies for each size. The different vest sizes include eight (8) to twelve (12) cooling packs. 
    See the size chart for more information.
    Pack pockets are placed strategically down the spine for optimal cooling. (Patent pending design!) The location of desired cooling is easily controlled by which pack pockets are used.
    SizeChest and Waist CircumferenceVest LengthWeight RangeNumber of PacksVest Weight Range
    L/XL36.5" - 51.5"22.5" - 24.5"~175 - 250 lbs.112.2 - 5.4 lbs

    How to find your size

    This vest is adjustable at the shoulders, chest and waist. Therefore, it will fit a large range of sizes. These measurements may help determine the best size for you.

    • To measure the chest and waist circumference: First, wrap a soft measuring tape around the fullest part of your chest and under your armpits, making sure to keep the tape parallel to the ground. This determines your chest measurement. Then wrap a measuring tape around your natural waistline (usually across your belly button), making sure to keep the tape parallel to the ground. See where the larger of the two measurements fall on the size chart. Please note: If you think you are in between two sizes, order the next size up to accommodate the cooling packs.
    • To measure the vest length: Hold the tape measure at the highest point of your shoulder. Look straight ahead and pull it down to your natural waist. Mark this measurement on the tape measure with your thumb. Please note: When in doubt, order the next size up to accommodate the cooling packs and to prevent the vest from looking too short.
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