What Our Gearhead(R) Experts Are Saying:"I put the Odin Infinity 2. 0 through a multi day mountaineering trip with everything from driving wind to a sweaty approach, and the underarm vents kept me from overheating on the climb up while the shell held strong once the weather turned. The stretch in the fabric made a real difference reaching for holds and adjusting crampons without the jacket fighting back."Extreme terrain demands gear that doesn't compromise, and the Odin Infinity Insulated Jacket 2. 0 from Helly Hansen is built for the mountaineer facing conditions most people turn back from. This is the shell for the exposed ridge, the alpine start, and everything in between where the margin for error runs thin. HELLY TECH PROFESSIONAL and the LIFA INFINITY stretch membrane combine for waterproof, windproof protection that moves with the body instead of against it, while PrimaLoft Gold Active+ adds warmth without the bulk that would slow down technical movement. Underarm ventilation zippers release heat mid climb, articulated elbows keep reach unrestricted, and a helmet compatible hood along with RECCO technology round out a jacket built for the terrain where visibility and rescue readiness matter most.