Ergodyne Skullerz 8946 Standard Baseball Cap with Bump Cap Insert is $23.60 at Amazon, down from the store's own list price of $35.85. That's 34% off ($12.25 less). We last checked this price on Nov 7, 5:58 PM ET. Prices at the store can change at any time, so check before you buy. Brand: Ergodyne. Type: Safety & PPE. Picked for all trades.