b'HOLY YOLLA BOLLY!Warmth and comfort in living color. Marmots Yolla Bolly 30 and 15 down bags are the perfect combination of warmth, weight and comfort. For a few ounces more than a mummy bag, you get semi-rectangular roominess and the temperature-regulating comfort of a two-layer top. Use both layers when its cold, one layer when its warm or unzipat to use as a comforter.The Yolla Bolly now comes in a Pride Rainbow Limited Edition. Available June 15 @ Marmot.com. Also available in boring colors.'