To trim grams, the Hydrogen forgoes everything but a small key pocket and full zip. The nylon breathes moderately well without the help of vents yet still shrugs off a light drizzle. 3 oz; thenorthface.com
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To trim grams, the Hydrogen forgoes everything but a small key pocket and full zip. The nylon breathes moderately well without the help of vents yet still shrugs off a light drizzle. 3 oz; thenorthface.com