Men's LITE Oliver Rib Knit Roll Up Hat Color:Charcoal 5X warmer than a regular

5X warmer than a regular cotton sock

breathable Heat Holders® thermal yarn and lined with HeatWeaver® insulation

It also comes equipped with internal cord locks that let you tighten the jacket at its base and hold in the heat for extra coziness

1% elastane

Heat Holders® are non-binding and provide relief for cold feet due to circulation problems

Men's LITE Oliver Rib Knit Roll Up Hat Color:Charcoal 5X warmer than a regularWarm lining with all way stretch Rib knit construction Roll up cuff Advanced insulating yarn The Heat Holders Mens LITE Oliver Rib Knit Roll Up Hat is made with a super soft, warm lining that features all way stretch to ensure a comfortable fit and everyday warmth in the moderate temperatures of transitional seasons.