The Heatrub Ultimate baselayer has been engineered to stretch to the demands of many outdoor sports and activities, and although the size chart shows optimum chest sizes, the Ultimate is engineered using an incredible four-way stretch fabric for incredible flexibility.

It comes up slightly more snug than the Move, and we would suggest ordering a size up from your normal t-shirt or polo shirt size.

*Please note this assumes standard bust and abdomen size

Read more about baselayer sizing here 

The Heatrub Move baselayer has been engineered to stretch to the demands of many outdoor sports and activities, and although the size chart shows optimum chest sizes, the flex of the fabric and the construction process allows the user to fit into a higher selection of sizes with comfort.

We suggest matching your baselayer size to a t-shirt or polo shirt as a good guide if you're unsure as to what size you will require.

*Please note this assumes regular bust and abdomen size

Read more about base layer sizings