The North Face Tundra synthetic, sub-zero sleeping bag is ideal for expeditions and extremely cold enviroments.
The Overlapping Shingle Construction evenly distributes insulation for consistent and comfortable warmth. Similar to the shingles on the roof of a house, insulation panels are overlaid rather than placing them side-by-side. This overlapping construction provides uniform loft, prevents insulation from moving and alleviates cold spot formation.
Primaloft Infinity is a high loft continuous-filament insulation ideal for sleeping bags, engineered for maximum warmth, compressibility and softness. Excellent baffling consistency helps to reduce cold spots. With a 82 percent clo when wet, Primaloft Infinity insulated well for use in damp environments.
Features: Firestorm™ top shell fabric. Soft and breathable silken lining. Adjustable synthetic-filled draft collar with microfleece cord tunnel. Full-length draft tube. Welded No-Snag stiffener in zipper column. Head level zipper garage with welded reinforced Velcro® flap. Chest level watch pocket. One-hand pull cord for easy hood adjustments with flat cordlock and Neoprene cover Glow-in-the dark zipper pull.
Nylon/mesh storage bag and compression stuffsack included.Regular fits up to 6'. Long fits up to 6' 6".