Heavy Insulation

Heavy Insulation

Warmth You Can Bet Your Summit On

When the temperature drops and the wind starts to bite, your insulation becomes more than comfort — it’s survival. This collection features heavy down and synthetic parkas trusted by guides for Denali, Aconcagua, and other big, cold mountains. Built for warmth, durability, and reliable loft in brutal conditions, these pieces are designed for life above freezing.

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Your Buying Guide For

Heavy Insulation

Big mountains demand big insulation. Understanding how fill ratings, materials, and design affect warmth helps you choose the right jacket for your next climb. Here’s what to know before you zip up.

Still have questions? Feel free to reach out!