← Gear database

Sea to Summit Aeros Ultralight Pillow vs Therm-a-Rest Vesper Quilt

Weight and specs compared for 2026 — and which one to choose.

Sea to Summit Aeros Ultralight Pillow is the lighter option — 491 g lighter than the Therm-a-Rest Vesper Quilt (89% less weight). If grams matter to you, that is the one to beat.
shopping_cart Check today's price on Amazon
Spec Sea to Summit Aeros Ultralight Pillow Therm-a-Rest Vesper Quilt
Weight 59 g · 0.059 kg · 0.13 lb 550 g · 0.550 kg · 1.21 lb
Brand Sea to Summit Therm-a-Rest
Category Sleep System Sleep System
Sea to Summit Aeros Ultralight Pillow
59 g

Lightest backpacking pillow at 2.1 oz. Compresses down to baseball size for ultralight trips.

Full details →
Therm-a-Rest Vesper Quilt
550 g

Premium 900-fill hydrophobic goose down quilt for 3-season backpacking. Pad attachment straps keep it secure through the night.

Full details →

HikeLoad is reader-supported. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Learn more.

Sea to Summit Aeros Ultralight Pillow vs Therm-a-Rest Vesper Quilt: which should you buy?

If saving weight is your priority, the Sea to Summit Aeros Ultralight Pillow wins — at 59 g it is 491 g (89%) lighter than the Therm-a-Rest Vesper Quilt (550 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.

More sleep system comparisons

Sea to Summit Aeros Ultralight Pillow vs Sea to Summit Aeros Ultralight Pillow (Regular) Sea to Summit Aeros Ultralight Pillow vs NEMO Fillo Elite Sea to Summit Aeros Ultralight Pillow vs Nemo Fillo Elite Wide UL Sea to Summit Aeros Ultralight Pillow vs Nemo Equipment Tensor Elite Ultralight Sea to Summit Aeros Ultralight Pillow vs NEMO Equipment Tensor Elite Sleeping Pad Sea to Summit Aeros Ultralight Pillow vs Zpacks Summer Quilt