{"product_id":"undercool-double-pack-bundle","title":"UnderCool 3 Double Pack Bundle, Refreeze \u0026 Reuse for All‑Day Cooling","description":"\u003ch3\u003eStay cooler, longer with the UnderCool 3 Double Pack Bundle – Refreeze \u0026amp; Reuse for All‑Day Cooling.\u003c\/h3\u003e\n\u003cdiv\u003eThis set includes one UnderCool 3 cooling garment and two sets of reusable cooling packs, so you can wear one set while the other refreezes, then swap for extended comfort all day.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch3\u003eHighlights\u003c\/h3\u003e\n\u003cdiv\u003e\u003cspan\u003e • PCM cooling packs work in both humid and dry heat.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e • Recharge in fridge, freezer, or ice water in about 20–60 minutes.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e • 4‑way stretch fabric for a flexible, secure fit.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e • No condensation or soaking, so you stay cool and dry.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003ePerfect for anyone managing heat sensitivity, MS, lupus, fibromyalgia, POTS, or menopause, or for actors, cosplayers, and performers who need to stay cool under costume. This bundle gives you reliable, all‑day cooling you can refreeze, reuse, and customize.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003eChoose the pack combo that fits your day:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cstrong\u003e • ExtendedCool + ExtendedCool: \u003c\/strong\u003elongest cooling (each set averages 2–3 hours).\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cstrong\u003e • ExtendedCool + SlimCool:\u003c\/strong\u003e a balance of longer cooling and lighter weight.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cstrong\u003e • SlimCool + SlimCool: \u003c\/strong\u003elightest feel with 1–2 hours per set.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eBuilt for long shifts, performances, conventions, and outdoor events, this bundle gives you flexible, all‑day cooling you can customize by size, color, and pack combination.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eLightweight, discreet, and easy to wear under everyday clothing, costumes, or workwear, the UnderCool system helps you stay comfortable and focused no matter where the day takes you. Just refreeze, reuse, and keep going.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv\u003e\u003cstrong\u003eQ: What's included in the UnderCool 3 Double Pack Bundle?\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003eA: One UnderCool 3 cooling garment and two full sets of reusable cooling packs (you select your size, color, and pack combination). Having two sets lets you wear one while the other refreezes, so you can keep cooling all day. Great for heat sensitivity, outdoor work, and long events.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003eQ: What pack combinations can I choose from?\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003eA: You can pick the combo that matches your needs:\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cstrong\u003e • ExtendedCool + ExtendedCool: \u003c\/strong\u003elongest cooling, about 2–3 hours per set.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cstrong\u003e • ExtendedCool + SlimCool: \u003c\/strong\u003eone longer‑lasting set, one lighter set.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cstrong\u003e • SlimCool + SlimCool: \u003c\/strong\u003elightest feel, about 1–2 hours per set.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003eCooling times vary by ambient temperature and activity, but with two sets and refreeze‑and‑swap, you can cover multiple rounds of cooling in a single day.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003eQ: What size UnderCool cooling vest should I order?\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003eA: Sizing is based on your \u003cstrong\u003enatural waist measurement\u003c\/strong\u003e, not your shirt, dress, or bra size. Most people wear a smaller size than they expect. For example, if you typically wear a 2XL shirt or have a larger chest, you may only need a Medium UnderCool. The vest is designed to give you a comfortable, snug fit, like a compression garment or Spanx. What matters is your waist, not your cup size or clothing size.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003eSizing Tips:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eFind your natural waist. It's below your rib cage but above your belly button.\u003c\/li\u003e\n\u003cli\u003eMeasure against your skin.\u003c\/li\u003e\n\u003cli\u003eTake your measurements in front of a mirror to make sure the tape is level.\u003c\/li\u003e\n\u003cli\u003eIf you fall between two sizes on the chart, size up.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ctable width=\"100%\" style=\"height: 107.969px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003e\u003cstrong\u003eNatural Waist (in)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003e\u003cstrong\u003eNatural Waist (cm)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003eXXS\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003e18\" - 24\"\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003e46cm - 61cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003eS\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003e24\" - 31\"\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003e61cm - 78cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003eM\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003e31\" - 40\"\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003e78cm - 101cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003eL\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003e40\" - 51\"\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003e101cm - 129cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 10px;\"\u003e\n\u003ctd style=\"height: 10px;\"\u003eXXL\u003c\/td\u003e\n\u003ctd style=\"height: 10px;\"\u003e51\" - 64\"\u003c\/td\u003e\n\u003ctd style=\"height: 10px;\"\u003e129cm - 162cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e📏 Still have questions? Check our \u003ca href=\"https:\/\/www.thermapparel.com\/pages\/sizing-guide\"\u003eSizing Guide\u003c\/a\u003e, jump on live chat, or call us at 585-204-0841. We're happy to help you find your perfect fit.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003eQ: How long do the cooling packs last, and how do I recharge them?\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003eA: On average:\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e • SlimCool packs: about 1–2 hours per set.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e • ExtendedCool packs: about 2–3 hours per set.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003eTo recharge, simply refreeze and reuse:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e • About 20–30 minutes in ice water for the fastest turnaround.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e • About 40–60 minutes in a standard household freezer, or\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e • About 60 minutes in a standard household fridge.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eRotate between sets, one on your body, one refreezing, to stay ahead of the heat.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003eQ: Do you ship to my area, and how quickly will it arrive?\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003eA: If you order before noon Monday–Friday and your items are in stock, your bundle will ship the same day.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eWe ship worldwide from Rochester, NY, with free shipping available within the USA, plus standard and expedited options at checkout; once you enter your address, you'll see all available shipping choices and delivery estimates.\u003c\/div\u003e","brand":"ThermApparel","offers":[{"title":"XXS \/ Black \/ 2 sets of 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