I use a neoprene wrap when it’s cold.
A cut up foam camping mat when it’s colder.
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For longer trips when it’s super cold I swap out an extra battery that’s wrapped in an Ororo heated mat stored in an insulated cooler bag. I use the same Ororo batteries to power a heated vest and charge electronics if needed. The vest has heated pockets that I use to store and charge extra bike lights, headlamp, phone, etc.
Six durable and safe heating elements throughout heating pad. Made of memory foam to contour to your bottom for maximum comfort. 3 heat settings with the push of the power button. Easy to travel with: simply fold in half and pack. Water and stain-resistant outer shell for easy cleaning.
www.ororowear.com
Water and wind resistant shell. Enhanced fillings with FELLEX®. Bluesign® certified eco-friendly sustainable material. Heat across collar, mid-back, as well as underneath two pockets for core-body warmth. Fast heating in seconds with 7.4V UL/CE-certified battery. Up to 10 working hours.
www.ororowear.com