Lightest Foam Pads: Top 20

Lightest first, out of 52 listed (outliers excluded).

1. 1. arata ASP-03 — 42 g
2. 2. EXPED Flex Sit Pad — 45 g
3. 3. ZEROGRAM Tyvek UL Mat JP — 45 g
4. 4. ZEROGRAM Tyvek UL Mat M — 45 g
5. 5. Yamatomichi Minimalist Pad — 53 g
6. 6. Evernew HARDCORE mat EBAL562 — 70 g
7. 7. Yamatomichi UL Pad 100cm — 75 g
8. 8. Gossamer Gear Thinlight Foam Pad - 1/8" — 76 g
9. 9. Gossamer Gear Torso Foam Pad - 3/8" — 79 g
10. 10. ZEROGRAM Tyvek UL Mat L — 89 g
11. 11. Yamatomichi UL Pad+ 100cm — 113 g
12. 12. Evernew Traverse mat 100 EBAR563 — 125 g
13. 13. Yamatomichi UL Pad 175cm — 131 g
14. 14. Evernew Pinnacle mat 100 T14/9 EBAR565 — 150 g
15. 15. Yamatomichi UL Pad 200cm — 150 g
16. 16. Evernew FP mat 100 EBA503 — 160 g
17. 17. NEMO Equipment Chipper™ — 160 g
18. 18. Evernew Trail mat 100 EBA505 — 180 g
19. 19. Yamatomichi UL Pad+ 175cm — 198 g
20. 20. Evernew FP mat 125 EBA504 — 200 g

Weight is the only measure here, so products that differ in R-value and thickness are compared together. Lighter does not mean better.