The Lithium features a full length zipper fully
opened in photo above. The Lithium also features a down-filled collar which
can be seen inside the bag near the hood, it's half black and half orange
and has a drawcord.
Lithium Regular with a 5'11" model
Image above shows a close up of the down-filled
collar on the inside of the Lithium. The top collar is being held by a
models hand for size reference while the bottom collar width is shown between
two green lines.
Close-up of the interior of the zipper which features
zipper snag guards on both sides of the zipper (widths indicated by red
double sided arrows).
2-way zipper allows for venting of the foot area
in warm weather.
Marmot Lithium Regular in its included stuff sac
next to a gallon milk jug filled with 2.5" of water which weighs the
same as the bag in its stuffsac.
Lithium 0° F Features
Classic Trapezoidal Foot Box For More Foot Room
Full-length Zipper
Hood Draw Cord Positioned for Easy Access
Insulated Draft Tube Eliminates Cold Leaks Through the Zipper
Stretch Tricot Baffles Provide Ultimate Strength, Durability
and Bag Life
Stuff and Storage Sack Included Store and Pack Just Like
Your Sleeping Bag
Velcro®-free Face Muff Keeps the Drawcord and Zipper
Away from Your Face