ThermaSet – Men’s Extra-Warmth Outdoor Performance Base Layer Set Masks 3-in-1 Detachable Design: The insulated

3-in-1 Detachable Design: The insulated liner can be worn on its own

Featuring rapid-dry dual-layer fabric

UPF500+ outer fabric blocks UV and wind

even when wet or after heavy sweating

UPF50+ fiber level protection and a breathable structure help keep outdoor movement light and comfortable

ThermaSet – Men’s Extra-Warmth Outdoor Performance Base Layer Set Masks 3-in-1 Detachable Design: The insulatedMeet the Beneunder TrueWarm Baselayer built for fast dry warmth in extreme cold. Designed with HeatApex Core insulation and 3D Vents sweat channels, it keeps you dry, locks in heat, and moves with you. Ideal for high output outdoor activity, it withstands damp chill down to 15C. Highlights HeatApex Core: rapid sweat wicking, long lasting warmth Withstands cold as low as 15C 6 second quick dry fabric, stays fresh under pressure 3D Vents sweat channels