No, this isn’t some new fetish man-gerie suit. Duofold’s Norse-Net was a Scandinavian-style knit underwear popular in the late 60s early 70s. It claimed to provide maximum ventilation in warm weather and maximum insulation (when air spaces are sealed by close-fitting outer garments) in cold weather.
The ad in the photos is taken out of Backpacker Magazine Issue 3, Fall, 1973.
Hine Snowbridge – One of the great old labels from Colorado. This is a large pack measures about 17″ around the waist 6″ high top to bottom. 5″ deep. YKK zips, large metal clasp waist.
Exit Expeditions International – Not familiar with this label and have not seen it anywhere else. This late 70s or 80s pack features Ideal zips, large Fastex clamp waist. Clean and in good shape
Maran – Popular maker of packs of all sizes in the early to mid 1970s. Smaller pack than the hine or exit. 12″ across waist 5″ high 3 1/2″ deep. Unique design with the YKK zipper across the top. Seatbelt nylon waist strap with interlocking metal buckle. Clean, nice shape
Mark Pack Works – Albany CA.Little known about this maker and a seldom seen label. Medium size pack 13″ across waist, 6″ high 4.5″ deep. Has one main compartment with two internal compartments and removable foam which helps the pack keep its shape. Two side pockets, one on each strap arm. Skinny seatbelt nylon strap with small Fastex clip. C&C zippers
Famous Trails – A prolific maker out of San Diego California and contemporary to Kelty. This medium waist pack measures about 11.5″ across the waist, 6.5″ high top to bottom. 5″ deep. Awesome color combo of brown and cream. Features one main compartment with two smaller side pockets. Ideal zippers, large Fastex clasp waist. Full color Famous Trails label pops.