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KEEN Revel IV Polar Mid vs Mayfly Imago Sandals

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

Mayfly Imago Sandals is the lighter option — 1,307 g lighter than the KEEN Revel IV Polar Mid (96% less weight). If grams matter to you, that is the one to beat.
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Spec KEEN Revel IV Polar Mid Mayfly Imago Sandals
Weight 1,361 g · 1.361 kg · 3.00 lb 54 g · 0.054 kg · 0.12 lb
Brand KEEN Mayfly
Category Footwear Footwear
KEEN Revel IV Polar Mid
1,361 g

Insulated winter hiking boot with 200g KEEN.WARM insulation, waterproof leather upper, and performance mesh. Weight per pair.

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Mayfly Imago Sandals
54 g

Extreem lichte minimalistische wandelsandalen in maat 11, slechts 54g, ideaal voor ultralight backpacken en fastpacking

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KEEN Revel IV Polar Mid vs Mayfly Imago Sandals: which should you buy?

If saving weight is your priority, the Mayfly Imago Sandals wins — at 54 g it is 1,307 g (96%) lighter than the KEEN Revel IV Polar Mid (1,361 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 footwear page, or browse the full gear weight database.

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