Cormar Primo Ultra TOG value vs Cormar Riva TOG value: specs compared
Updated 05 September 2026.
1.8 TOG
Cormar Riva TOG value wins on TOG rating
On TOG rating, Cormar Riva TOG value leads: 1.8 TOG versus 1.5 TOG.
| Spec | Cormar Primo Ultra TOG value | Cormar Riva TOG value |
|---|---|---|
| Range | Cormar Primo Ultra | Cormar Riva |
| Construction | polypropylene twist | wool-blend saxony |
| TOG rating | 1.5 TOG | 1.8 TOG |
| Max underlay TOG for UFH | 2 TOG | 1.7 TOG |
Questions and answers
Which has the higher TOG rating, Cormar Primo Ultra TOG value or Cormar Riva TOG value?
On TOG rating, Cormar Riva TOG value leads: 1.8 TOG versus 1.5 TOG.
How do Cormar Primo Ultra TOG value and Cormar Riva TOG value compare?
On TOG rating, Cormar Riva TOG value leads: 1.8 TOG versus 1.5 TOG.