The UMP-45 | Warm Blooded made its debut in CS2 on January 21, 2026, as part of the update titled "Fourth Season Skins."
Origin
The UMP-45 | Warm Blooded cannot be acquired through the opening of any containers. Rather, it is included in the Harlequin Collection.
Popularity
Currently, the UMP-45 | Warm Blooded enjoys a popularity level of 91%.
Rarity
This skin ranks among 298 other SMG skins and is classified as Mil-Spec Grade, indicating that the Warm Blooded skin is relatively common with an estimated drop chance of 79.92%.
Availability
The UMP-45 | Warm Blooded is priced between $0.14 and $0.72, positioning it as a very budget-friendly skin.
Versions
Float values for the UMP-45 | Warm Blooded range from 0.00 to 0.70, allowing the skin to be available in all exterior qualities. There are no StatTrak or Souvenir variants for the Warm Blooded skin.
Finish Style
This UMP-45 features a finish identified as "Hydrographic," adorned with the Warm Blooded theme. Weapon parts are submerged into a water tank, where a floating hydrographic film is applied. This film sticks to the primed weapon components, creating a distinctive pattern on their surfaces. An orange tint predominates in the color scheme of this skin, and the appearance of the Warm Blooded finish varies according to its pattern index.
Community Sentiment
The UMP-45 | Warm Blooded has received over 8 votes leading to an average rating of 4.5 out of 5 stars. The skin is currently also owned by the professional CS2 players tarik and riskyb0b.