This Sylvie Brett Vest is made of polyester fabric which is what makes this vest so warm and comfortable. This vest with its blue color will go with every outfit of yours. It is sure to give you a dapper look. The inner side of Kara Killmer Chicago Fire Paramedic Vest is made of soft viscose lining, which is the reason why it so soft. This vest has a zippered closure along with a shirt style collar which makes it so stylish. Furthermore, to keep your hands warm, the Sylvie Brett Vest has two waist pockets.