The Coldest Water Knee Ice Pack, (Knee Pack) was originally built for Professional Athletes in high-performing sports. Great for: knee pain, iliotibial band syndrome, posterior cruciate ligament injuries, spinal relief, knee relief Dislocations, meniscal tears, Bursitis, Tendinitis and Tendon Tears. Also helps with soreness and aches. Cold therapy is recommended for the first 48 hours following the injury. Also helps to relieve pain and.. - - the coldest water was founded by engineers in a little town in southwest Florida called Naples. The ice pack is re-usable and more durable than most other packs - and is designed to be used for cold therapy applications only, molds to your knee and leg Holds your body and distributes coldness evenly. Apply the gel pack for up to 20 minutes at a time.