SOL Heavy Duty Emergency Blanket vs SOL Thermal Bivvy
Weight and specs compared for 2026 — and which one to choose.
Reusable mylar emergency blanket. Grommets in corners.
Reusable emergency bivvy. Warmer than mylar alternatives.
Building a pack? Add either one to your HikeLoad list, or drop its weight into the base weight calculator, and see what it does to your total weight.
HikeLoad is reader-supported. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Learn more.
SOL Heavy Duty Emergency Blanket vs SOL Thermal Bivvy: which should you buy?
If saving weight is your priority, the SOL Heavy Duty Emergency Blanket wins — at 130 g it is 40 g (24%) lighter than the SOL Thermal Bivvy (170 g). That said, the heavier option may justify the extra grams with more capacity, durability or comfort, so weigh the trade-off against how you'll use it.
See where both rank against everything else in this category on the lightest safety page, or browse the full gear weight database.