Four mounting holes per speed bump

You use 4-6 oz of Calcium Chloride per gallon depending on the temps outside

Removable black fleece liner

this shirt combines lightweight durability with moisture-wicking breathability for all-day wear

Carhartt® Midweight 1/4-Zip Mock Neck Sweatshirt - Loose Fit - CT105294 Color:Navy Four mounting holes per speedCarhartt Midweight 1 4 Zip Mock Neck Sweatshirt CT105294 Features Available in Colors Black, Carbon Heather, Heather Gray and New Navy Sizes available from Small to 4XL 10. 5 ounce, 50 50 cotton poly blend or 59 41 cotton poly blend (Black, Carbon Heather, New Navy)* 70 30 cotton poly blend (Heather Grey) Mock neck collar 1 4 zipper with storm flap Front hand warmer pocket Stretchable, spandex reinforced, rib knit cuffs and waistband Carhartt strong,