Base Layers

[nobbyknobs]

Under Armour
This is an excellent product as the layer of clothing next to your skin. In both hot and cold weather, HeatGear for when it's hot and the ColdGear for when it's cold. Designed to keep the body dry and either warm or cool, it's excellent for under leathers.

There is a good review on this site:
https://www.inter-bike.co.uk/reviews-motorcycling/motorcycle-product-reviews/1890-under-armour-thermal-wear.html

May be worth a try the next time you are out shopping, and you can post any comments you have back here!