Multi-purpose - you can wear it alone or over lightweight base layers.

GlideSkin exterior sheds water eliminating evaporation's chilling effect for total wind-proof protection. Titanium and 1-mm neoprene traps your body heat. With ThermalPlush lining throughout wear it alone or over lightweight base layers. Add a Mystery shirt to your gear bag for times when other insulation is just not enough.

Buy the NRS Mystery Short Sleeve Shirt (Spring 2006) at Altrec.com. Orders over $45 qualify for free shipping.