Fjell Foam Insert vs Police™ 4 Lightweight K390
Our pick
Fjell Foam Insert
- Fjell Foam Insert costs $249 less than Police™ 4 Lightweight K390
- Fjell Foam Insert sells out faster (45-pt higher sell-through rate)
Based on price, sell-through rate, resale value, and retailer availability. Full comparison below.
Fjell Foam Insert
Police™ 4 Lightweight K390
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Frequently asked questions
Which is cheaper, the Fjell Foam Insert or the Police™ 4 Lightweight K390?
The Fjell Foam Insert is cheaper at $15.00, versus $264.00 for the Police™ 4 Lightweight K390 — a difference of $249.00.
Which sells out faster, the Fjell Foam Insert or the Police™ 4 Lightweight K390?
The Fjell Foam Insert sells out faster: the brand behind it has a 99.4% sell-through rate, versus 54.4% for the Police™ 4 Lightweight K390.
Where can I buy the Fjell Foam Insert and Police™ 4 Lightweight K390?
Drop Beacon tracks the Fjell Foam Insert across 1 retailer and the Police™ 4 Lightweight K390 across 1, comparing live prices and linking out to each.
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