Midweight warmth built for cold conditions. The Primer Heated Baselayer Pant features a thermal outer shell, soft lining, and 3 heat zones to keep you comfortable in the toughest temps. An adjustable drawstring waistband ensures a secure fit, whether you&';re layering up for work, outdoor adventures, or just staying warm on the go. Durable enough for daily wear, comfortable enough to never take off.