GRUNDIES LIGHTWEIGHT BOTTOM DESCRIPTIONPrudent layering pays off bigtime when bone chilling weather presents itself, and the Grundies base layer collection was designed to help you retain a vital resource, body heat. Offering a variety of material weights combined with HeiQ Anti-odor properties the Grundies collection provides a modular layering system that can be worn in many combinations depending on the conditions youre faced with.FEATURESHeiQ Anti OdorWickingPilling resistantGrundens jacquard brushed waistbandSelf fabric cuffCrotch gusset for comfort3M reflective logoUPF 30Active Fit