It expands to 5-1/4”

Effective for both indoor and outdoor conditions

A colour-coded keytop and large

Whether you're a student or a professional

TechNiche Thermafur Air Activated soft-shell Heating Vest, Black, Medium VariesBy:apparel_colour_17683:Black|apparel_size_20350:Medium|apparel_pack_size_901119:Each It expands to 5-1/4”TechNiche THERMAFUR Air Activated Soft Shell Fleece Heating Vests are very effective when worn as a base layer with a windproof outer layer. Plush, durable poly fleece fabric for comfort, a high collar to help keep out the cold, handy front zippered pockets allow you to reach your keys or cell phone easily and an adjustable elastic cord at the bottom can be drawn tight to help trap in excess heat. A total of eight (8) strategically placed pockets sewn