Additional/Replacement Basecamp Base Layer Battery, 10000 mAh USB by Gobi Heat

Fulfilled by our friends at Gobi Heat

Give yourself up to an extra 8 hours of battery life with the 5v, 10,000mAh Gobi Heat lithium polymer base layer battery. Uses a standard USB-C port.

Works with the following products:

Men's Basecamp shirts and pants
Women's Basecamp shirts and pants