Snugpak Softie Expansion 4 Sleeping Bag Left Side Zip Black Red Category_Oakley Sutro The Oakley Sutro Lite OO9463 1839 The Oakley Sutro Lite OO9463 1839 Prizm Ruby Matte WhiteThe Sutro family expands with a semi rimless version of the popular style for greater field of view Our Vibram rubber outer sole design gives outstanding grip even on wet rocks and shrugs off sticky mud to allow for more roomThe Softie® Expansion sleeping bag has a unique expanding system called the EEP (Elasticated Expander Panel) You can do this to give yourself more room to move or to help cool the bag allowing you to regulate your body heat for a more comfortable night’s sleep