← Gear database

Gregory Paragon 58 vs Hyperlite Mountain Gear Southwest 55

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

Hyperlite Mountain Gear Southwest 55 is the lighter option — 1,000 g lighter than the Gregory Paragon 58 (60% less weight). If grams matter to you, that is the one to beat.
shopping_cart Check today's price on Amazon
Spec Gregory Paragon 58 Hyperlite Mountain Gear Southwest 55
Weight 1,680 g · 1.680 kg · 3.70 lb 680 g · 0.680 kg · 1.50 lb
Brand Gregory Hyperlite Mountain Gear
Category Backpack Backpack
Gregory Paragon 58
1,680 g

Lightweight 58L pack with FreeFloat suspension system.

Full details →
Hyperlite Mountain Gear Southwest 55
680 g

Ultralight Dyneema 55L pack for serious gram-counters.

Full details →

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

Gregory Paragon 58 vs Hyperlite Mountain Gear Southwest 55: which should you buy?

If saving weight is your priority, the Hyperlite Mountain Gear Southwest 55 wins — at 680 g it is 1,000 g (60%) lighter than the Gregory Paragon 58 (1,680 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 backpack page, or browse the full gear weight database.

More backpack comparisons