Push the boundaries of alpine insulation with an ultra-lightweight, high-loft down jacket engineered for fast-and-light mountain ascent, freezing bivouacs, and extreme cold-weather conditions. Available at Grivet Outdoors, this peak-performance jacket combines 900-fill-power RDS-certified European goose down with groundbreaking Thermo Ionic Lining Technology (TILT), which reflects body heat back to your core without adding weight or compromising breathability. Wrapped in a whisper-light Pertex® Quantum outer shell with a fluorocarbon-free DWR finish, it offers windproof and weather-resistant protection in a highly packable design. Complete with an insulated helmet-compatible hood and offset boxwall baffles to eliminate cold spots, the Mythic Ultra provides an unbeatable warmth-to-weight ratio for elite mountaineers.

Features:

• Whisper-light Pertex® Quantum 10D outer fabric with fluorocarbon-free DWR treatment
• 900-fill-power RDS-certified European goose down with Nikwax Hydrophobic finish
• Thermo Ionic Lining Technology (TILT) reflects radiant body heat to boost thermal efficiency
• Offset boxwall baffle construction reduces cold spots and maximizes down loft
• Helmet-compatible insulated hood with elasticated opening and stiffened peak
• Pre-curved, articulated sleeves enhance arm mobility for climbing and ice tool use
• YKK® VISLON® front zip with synthetic insulation behind storm guard to prevent freezing
• Dual zippered hand pockets and internal stash pocket double as a stuff sack for compact packing