Men's thermal sweatshirt 4F navy blue H4Z21 BIMD030 31S Properties: Men's thermoactive sweatshirt, thanks to 4FWarm technology, helps maintain the right body temperature during winter activities. To be used as a second layer of clothing. Slightly extended back for additional back coverage. The brushed interior provides additional thermal comfort. Smooth, flexible fabric allows for free movement. A comfortable collar with a 1/2-zip closure and zipper lock provides additional protection against the cold. Main material: 95% polyester, 5% elastane