Men’s HiFi Thermal Crew

We rebuilt and upgraded last season’s HiFi Thermal. Now, this crew’s even more durable and resists shrinkage. Unmatched anti-microbial performance keeps bacterial baddies at bay – HeiQ Pure™ silver-based technology prevents odor buildup in fabric, even on long days under button-downs or sweaters. All in a waffle knit that traps warmth without overheating.