Marmot Trestles Elite Eco 20° Sleeping Bag Color:Arctic Navy Steel Onyx value and packability and a precise fit value and packability and stabilize sprained ankles or strains with the elastic bandage so you can hike out safely The full length left side anti snag zipper and additional short right zipper let you control your comfort with precision and a cozy blanket like feel—while the ISO tested temperature rating means you can rest assured that your bag will hold up when temps dip below freezing Roomy footbox gives your feet room to relax and recharge while insulated draft tube ensures cold air can't drift in when you're drifting off