Rab Mythic Ultra 180 (32°F) vs Sea to Summit Aeros Ultralight Pillow
Weight and specs compared for 2026 — and which one to choose.
Ultra-lightweight 3-season sleeping bag weighing just 14.1 oz (400g) with 900-fill hydrophobic goose down and titanium technology.
Full details →Lightest backpacking pillow at 2.1 oz. Compresses down to baseball size for ultralight trips.
Full details →HikeLoad is reader-supported. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Learn more.
Rab Mythic Ultra 180 (32°F) vs Sea to Summit Aeros Ultralight Pillow: which should you buy?
If saving weight is your priority, the Sea to Summit Aeros Ultralight Pillow wins — at 59 g it is 341 g (85%) lighter than the Rab Mythic Ultra 180 (32°F) (400 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 sleep system page, or browse the full gear weight database.