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Gregory Focal 58 vs Gregory Optic 48

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

Gregory Focal 58 is the lighter option — 200 g lighter than the Gregory Optic 48 (15% less weight). If grams matter to you, that is the one to beat.
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Spec Gregory Focal 58 Gregory Optic 48
Weight 1,170 g · 1.170 kg · 2.58 lb 1,370 g · 1.370 kg · 3.02 lb
Brand Gregory Gregory
Category Backpack Backpack
Gregory Focal 58
1,170 g

Ventilated ultralight backpacking pack with a tensioned mesh backpanel, removable lid and roughly 16kg max recommended load.

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Gregory Optic 48
1,370 g

Lightweight 48L trail pack with suspended mesh back panel.

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Gregory Focal 58 vs Gregory Optic 48: which should you buy?

If saving weight is your priority, the Gregory Focal 58 wins — at 1,170 g it is 200 g (15%) lighter than the Gregory Optic 48 (1,370 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.

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