Wherever your travels and overnights take you, wrap yourself in the soft, cozy warmth of our Alpha Direct Fleece Liner. Add this liner to your sleep system to add warmth and comfort, while protecting it from dirt, odor, and body oils. Lightweight, breathable, and surprisingly warm Polartec® Alpha™ Direct fabric provides a cozy and premium sleep experience. Packing small, this liner is a great companion in your carry-on bag, car camping kit, or backpack.