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Apollo II - Upgraded Thermal Phone Case - Large Size

197 reviews

As Seen on Shark Tank.  Introducing the new Apollo II Series from PHOOZY.  While it offers enough protection for your phone to summit Everest and still be able to take a selfie, the modern silhouette and materials are designed for urban every-day-carry. Our award-winning technology is integrated into adventure-ready form for the ultimate “city-to-mountain” crossover gear.  Our layered matrix of premium technical materials strikes an ideal balance between function and form for every adventure.


  • Reflects more than 90% of the heat generated by the sun to help protect your device from overheating and causing permanent damage to your battery.
  • Extends battery life up to 4X in cold conditions* to help keep you connected and protected on the mountain.
  • It's THE Lifejacket for your phone -  the Apollo II Series floats if your phone accidentally lands in the water.  Don't worry about losing your expensive device to the bottom of the ocean or lake again.
  • UltraShield Ripstop Skin with UV and Hydrophobic Coatings are no match for dirt, rain, lattes or snow.
  • New! Impactor Core 1.5 provides increased drop protection exceeding the 810G 516.6 military standard while still maintaining our legendary Ultralight and slim design to easily slide in your jacket pocket or backpack for complete protection.
  • PHOOZY’s NASA-derived technology will not interfere with cellular, WiFi, or Bluetooth signals.  
  • Not designed to be left in a hot car or cold for more than 3 hours.

PHOOZY Thermal Capsules are warranted to be free of manufacturer's defects, which includes material and workmanship, for one year from the date of purchase. 

Apollo II Series Sizing & Dimensions

  • Medium Size: Please measure your phone case to fit the Interior Dimensions of 6.0" x 0.40" x 3.0" / made for iPhone 8/X/XS/11Pro,12/12Pro/12Mini, Galaxy S8/S9/S10/S20/S21/A21, Pixel 3/4/4a. *If you have an Otterbox or similar case, please select the LARGE size.
  • Large Size: Please measure your phone case to fit the Interior Dimensions of 6.5" x 0.40" x 3.6" / made for iPhone 8+/XR/XSMax/11/11ProMax/12ProMax, Galaxy S8+/S9+/S10+/S20+/S21+/S20Ultra/ZFold/A21/A71, Note 10/20, Pixel 3XL/4XL and most large phones. *May Not fit bulky Otterbox cases.

      *Compared to not using a PHOOZY Thermal Capsule in temperatures below 32 degrees Fahrenheit. 

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        Customer Reviews

        4.7 Based on 197 Reviews
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        Filter Reviews:
          Janet L.
          United States United States

          Love my Phoozy

          The protection of my phone is great piece of mind, especially in my golf bag. This size easily fits an iPhone with Popsocket attached.

          A PHOOZY Customer
          Glenn G.
          United States United States

          Serves a special purpose for me

          The reason I bought it was the very hot summers in Arizona. It’s perfect for a hot vehicle, the hot sun, by the pool and on the lake.

          John H.
          United States United States

          Too tight for a regular sized iPhone!

          When the phone ha# a protective case around it, it doesn’t fit inside the Phoozy.

          lisa b.
          United States United States

          Shark tank winner

          Great case for the beach No sand gets on it and it doesn’t overheat


          Works great, as long as you have room for it

          I run a lot and bought this to prevent the phone from overheating in the summer and getting too cold in the winter while it's in my hydration pack. Haven't been able to test winter yet, but so far so good for the summer - tested in my car on the passenger seat in broad sunlight, without Phoozy I got excessive heat warnings in minutes but with the case it didn't overheat. Only issue is that it's big, plenty of room for my Pixel 3a but makes it hard to fit in the pockets of my running skirt or hydration pack without some finagling. It's a tight fit in my pockets but does keep the phone from getting sweaty, or wet in the rain, so I do recommend it as long as you have room for it.