3INJ JB's Inner Jacket DB001 It is constructed of a

It is constructed of a double wall vacuum insulated 304 (both interior and exterior) stainless steel keeping the perfect temperature for longer

Buttons run only half way down the shirt to provide greater protection

Twin chest pockets with stylish stitching and button detail

Storm flap reduces moisture entering garment

3INJ JB's Inner Jacket DB001 It is constructed of aUrban Fit 65% Polyester, 35% Cotton canvas shell Low pill polar fleece lining for improved warmth and durability Zip through hi collar Internal phone pocket Two front welt pockets and three internal pockets Mid length Embroidery Zipper Interchangeable zip puller 3CZP (sold separately)