Exped Ultra 6.5R Sleeping Pad (Medium Mummy) vs Therm-a-Rest Z Lite Sol
Weight and specs compared for 2026 — and which one to choose.
Lightweight insulated sleeping pad with leading weight-to-warmth ratio. Medium mummy size, 340g, perfect for all-season ultralight backpacking
Full details →Classic accordion-fold foam pad. R-value 2.0. Indestructible.
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Exped Ultra 6.5R Sleeping Pad (Medium Mummy) vs Therm-a-Rest Z Lite Sol: which should you buy?
If saving weight is your priority, the Exped Ultra 6.5R Sleeping Pad (Medium Mummy) wins — at 340 g it is 70 g (17%) lighter than the Therm-a-Rest Z Lite Sol (410 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.