[Low-Tech]What are the stats for Light Leather?

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I'm looking for cost and weight for light leather armor. It's not on the table on LT110. The text says to treat it like Furs. Furs are not on the table either but the text says to treat it like winter clothing. Winter clothing has:
Cost: 30% of cost of living
Weight: 5 lbs.

Is Light Leather armor (and Furs for that matter) priced based on one's cost of living?

Furthermore, winter clothing says it covers everything. Since everything comes out to about 300% of cost in the table, would Light Leather for the torso cost 10% of cost of living and weigh 5/3 lbs?

It seems a bit complicated. What am I missing?

Thanks.