Size medium. Worn a few times last year. Very warm. Unfortunately I'm a size large now.

"UA Base 4.0 Extreme Baselayer is our warmest yet, delivering extreme warmth in the extreme cold.

UA Scent Control Technology to keep you undetected in all pursuits.

Soft, brushed grid interior traps air, managing your body's microclimate to keep you warm & comfortable.

Material wicks sweat & dries really fast 4-way stretch material moves better in every direction.

Performance elastic waistband