Bison wool

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Bison wool

Bison wool

Thick and coarse wool of a bison. Quite warm.

Base Stats

Stuff Category
Market Value
2.7 Silver
Stack Limit
0.028 kg
Deterioration Rate
Path Cost

Stat Modifiers

Beauty Factor
Work To Make Factor
Work To Build Factor
Max Hit Points
Armor - Sharp
Armor - Blunt
Armor - Heat
Insulation - Cold
+26 °C (46.8 °F)
Insulation - Heat
+12 °C (21.6 °F)

Bison wool is a type of fabric gathered by animal handlers by shearing tamed bison.


Bison wool is acquired by shearing tamed bison - each bison can be sheared every 15 days for 120 wool, for an average of 8 per day.

It can also be purchased from traders.


Bison wool has the second worst protective stats of any textile in the game tied only other wools, and besting cloth only by virtue of proving a significantly more heat armor, though still little in compared to textiles like Devilstrand. Like other wools however, where bison wool excels is in cold insulation, offering the 8th best cold insulation of any textile in the game. In comparison, its heat insulation is lacking at 19th of all textiles.

Thus, it is almost entirely irrelevant as protective clothing. Additionally, its poor heat insulation make it unattractive in hot biomes, except where bulk textiles of any sort are the primary requirement. Only its cold insulation provides utility in cold biomes, and in many of them other less insulative but more protective textiles will suffice. However, its ease of production and good insulation can make bison wool parkas or skin-layer apparel an easy way to provide winter clothing to a colony, and possibly sufficient to avoid sacrificing any other aspects of their outfit. Compared to other wools, which largely fill the same niche bison wool is likely the worst but only marginally - with bison having the slowest Per Day production rate, while eating more than sheep and alpacas. Bison wool also ties for the worst cold insulation of any of the wool types and while sheep wool has slightly worse heat insulation, neither textile should be used if heat insulation is required.

For use in furniture, it only has a somewhat improved beauty factor over other common textiles, but its rapid redundancy as clothing, the ease of acquisition, and modest but not insignificant value makes it a solid choice for improving furniture beauty and providing bulk textiles for construction. If wool production is being acquired for this purpose however, the fast production rates of sheep, alpaca or megasloth wool, or the lack of a tame maintenance requirement for sheep may be more advantageous if the option is available. Care should be taken as, like other wools in RimWorld, it is exceptionally flammable.


Contrary to wool in real life, wool in RimWorld is more flammable than cotton, rather than less.