Big Agnes Women's Sarvis SL 30 Degree Down Sleeping Bag - The Big Agnes Women's Sarvis SL 30 Degree Down Sleeping Bag is designed for Mummy bag sleepers who dont want to roll off their pads. Featuring an attachable half-length REM Flex Pad Sleeve to attach your 20 or 25-inch wide pad and give your legs more freedom to flop around.