Comfortable. secure. stylish. durable and TSA checkpoint friendly. the ergonomist-approved Contour 2.0 Business Laptop Backpack – 15.6 is the perfect 15.6 laptop backpack for mobile professionals. The Contour 2.0 Business Laptop Backpack – 15.6 features a heat-dissipating contoured back that hugs the body and shifts weight so it is closer to the centre of gravity*; specially positioned pockets that help evenly distribute weight and balance contents; a laptop security compartment with a puncture-resistant. lockable zip; tough. water-resistant material; and interior padding for an added layer of protection. *While properly wearing both straps.