AmazonSuitable for a whole range of activities Including: 2x 7.4V 2,200 mAh extremely thin batteries + USB-charging system Material: 100% stretch polyester, and soft. Carbon fibre heating elements Heating time: up to 8 hours on a single charge.
Suitable for a whole range of activities Including: 2x 7.4V 2,200 mAh extremely thin batteries + USB-charging system Material: 100% stretch polyester, and soft. Carbon fibre heating elements Heating time: up to 8 hours on a single charge.