Men’s Short Sleeve 100% Wool T-Shirt TechTrail Collection Bluesign® approved FELLEX® insulation provides

Bluesign® approved FELLEX® insulation provides effective warmth without adding bulk

and fully taped seams protect you from the elements while maintaining comfort and airflow

it offers up to 8 hours of warmth

Heating power button located on the left chest

Men’s Short Sleeve 100% Wool T-Shirt TechTrail Collection Bluesign® approved FELLEX® insulation providesOverview QUICK DRY BASE LAYERS This regular fit and quick dry 100% Wool T Shirt is the perfect base layer for your next outing. Wool is naturally breathable, moisture wicking, and has natural antibacterial and antimicrobial properties, which helps with temperature regulation and prevents unwanted odors during long term use. Layer the Wool T Shirt with ororo outerwear for additional warmth. Highlights 100% Premium Wool Natural Quick Dry Properties