← Gear database

Western Mountaineering HighLite 35F vs Western Mountaineering MegaLite 35°F

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

Western Mountaineering HighLite 35F is the lighter option — 50 g lighter than the Western Mountaineering MegaLite 35°F (10% less weight). If grams matter to you, that is the one to beat.
shopping_cart Check today's price on Amazon
Spec Western Mountaineering HighLite 35F Western Mountaineering MegaLite 35°F
Weight 460 g · 0.460 kg · 1.01 lb 510 g · 0.510 kg · 1.12 lb
Brand Western Mountaineering Western Mountaineering
Category Sleep System Sleep System
Western Mountaineering HighLite 35F
460 g

Ultralight 850-fill ethical down mummy bag rated 35F with 7D ripstop nylon shell. Best-in-class warmth-to-weight ratio for three-season use.

Full details →
Western Mountaineering MegaLite 35°F
510 g

Ultralight 850-fill down bag for warm summer conditions.

Full details →

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

Western Mountaineering HighLite 35F vs Western Mountaineering MegaLite 35°F: which should you buy?

If saving weight is your priority, the Western Mountaineering HighLite 35F wins — at 460 g it is 50 g (10%) lighter than the Western Mountaineering MegaLite 35°F (510 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