Norfin Extreme 5 Liner w/ Heaters - Mens Black Extra Large. Specifications for Norfin Extreme 5 Liner w/ Heaters - Men's: Manufacturer: Norfin Length Alpha: Regular Apparel Fit: Regular Gender: Male Age Group: Adults Color: Black Application: Outdoor Fabric/Material: Nylon Weight: 2 oz Reflective/High Visible: No Condition: New Length: 24 cm Width: 15 in Height: 2 in Features of Norfin Extreme 5 Liner w/ Heaters - Men's Built in heaters on front and back (power bank requirements of 2.1 aH or more) HOLLOFIL insulation Two side pockets with zippers Inner pocket with zipper Package Contents: Norfin Extreme 5 Liner w/ Heaters - Men's Norfin 338404-XL: Extreme 5 Liner w/ Heaters - Mens Black Extra Large