Rab Mythic 0C / 32F Sleeping Bag Grams Counted. Sleep Earned. When the shelter is light and the summit is early, the bag you bring has to earn its grams. The Mythic Ultra at 0degC is the choice for riders and alpinists who refuse to carry dead weight without giving something up in warmth. At the center of it is TILT - a titanium-coated inner lining that reflects radiant heat back toward your body, squeezing more warmth out of less insulation. Paired with 900FP down locked in place by helix-shaped baffles, it sleeps warmer than its size suggests. Sidewall baffles keep you off the seams whether you're a back or side sleeper, and the anatomically shaped foot box gives your feet room to rest naturally. Hand-filled in Derbyshire, UK, the down goes in uncompressed, so the loft is fully intact from your first night out. Features900FP down insulation exceptional warmth-to-weight ratio at a 0degC / 32degF sleep limit TILT heat-reflective lining titanium-coated inner reflects radiant heat back toward the body for greater warmth with virtually no weight penalty L. O. F. T 3D(TM) helix baffle construction prevents down migration and eliminates cold spots Pertex(R) Quantum ripstop outer lightweight, windproof face fabric suited to mountain environments | Rab | Mythic 0C / 32F Sleeping Bag