Our newly updated Trinity Peak 2.0 performs to the highest standards on the mountain. Eberlestock's proprietary Hellbender™ membrane with 30K Breathability and 30K Waterproofing rating, provides superb breathability and moisture protection. Armpit zips shed heat and provide airflow while fully-taped seams seal out precipitation. A helmet compatible hood and thumbhole storm cuffs ensure fitted protection throughout.