Bfr combat boots have been shown to provide a substantial degree of protection against certain types of anti - personnel landmines at particular explosive charge sizes , the test was conducted under strict conditions where a test boot was blasted within the ball area and a test boot was blasted within the heel area Bfr戰斗靴經證明可以防止某些具有一定爆炸威力的步兵雷的傷害,測試是在嚴格條件下進行的,一只測試靴在前腳掌區接受爆炸測試,另一只在后跟部分接受爆炸測試。