Unfortunately it's only possible to buy high quality rugged cases for very expensive phones. Keeping your prepaid in your backpack might work for you, but I was

Unfortunately it's only possible to buy high quality rugged cases for very expensive phones. Keeping your prepaid in your backpack might work for you, but I was strongly encouraged by my local backcountry search and rescue volunteers to keep my emergency communication device in immediate reach on the shoulder strap so that I can get assistance if partially incapacitated. This might be different if you don't recreate alone.