I am always cold! I opted for the base layer because I already have 3 vests and about 10 jackets. I usually only use the lightest setting. The material is stretchy.

This item is worth every penny. I wear this over a t-shirt almost all winter. It’s so warm, that low is perfect.

I got this shirt for my wife after going for a motorcycle ride on a chilly day. She said it was the most brutal ride she’d had ever. About a week later we went out again, on a chilly day but this time she had her heated shirt on. 10 minutes into the ride she said (over the radio…she rides her own bike) “wow …it’s too warm”. She set the temperature to the lowest setting and was comfortable for the entire 4 hour ride. She loves this shirt so much that she wears it or at least takes it with her all the time. I don’t often get thanks when I buy my wife clothing. I usually just give her the receipt so she can return or exchange it but I not sure only got a thank you but even a hug for this clothing purchase. Thanks to The Warming Store.

I Love the shirt , my office is so cold it keeps me so warm. I wish they had a booster battery for this shirt

The Gerbing shirt, ordered in the smallest size, was huge on this 110 lb athletic woman. It would not be close enough fitting to be effective. I was not enameled with the t shirt neck line, finding it uncomfortable. Seemed sturdy and would be perfect for a larger person

The heating unit and the power/temp button are perfect and excellent heat when I need it. However, for my size, the sleeves and body were super long - no big deal - I cut the sleeves off and shortened the body length up to the battery storage pocket. Wierdly, the neck is really tight, even for my small head - some folks will have a difficult time getting it on - overall a terrific product and my friend already used my 10% off coupon that came with and bought herself heated pants!