Grundens Thermal Bottom Size:Small We solved these problems with

We solved these problems with the Torch Flask

Paired with 3DEFX+ stretch insulation

Waterproof and impact-resistant molded bottom

these tumblers offer even more temperature control and a guaranteed sweat-proof grip

Weight: 20

Grundens Thermal Bottom Size:Small We solved these problems withGrundies Thermal Bottom Prudent 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 facing. SPECS: Thermal Base Layer