So I'm trying to understand exactly how these work. Superficially, it looks like they give you a one action long or high jump with a distance boost determined by the boot tier (which is awesome), but I don't see anything in the write-up that suggests they free you of the need to make the associated athletics check. If that's the case, they very quickly become rather useless for low-level characters who won't be able to roll the numbers necessary to take advantage of the distance increases.
Here's the relevant bit of the boot text: "When you Activate the blast boots, you can High Jump or Long Jump, without the need to Stride first."
Now if you go look at the High Jump and Long Jump actions they say this:
High Jump: "You Stride, then make a vertical Leap and attempt a DC 30 Athletics check to increase the height of your jump. If you didn’t Stride at least 10 feet, you automatically fail your check."
Long Jump: "You Stride, then make a horizontal Leap and attempt an Athletics check to increase the length of your jump. The DC of the Athletics check is equal to the total distance in feet you’re attempting to move during your Leap"
I see nothing anywhere RAW that says the boots free you from the athletics check. Just that they remove the Stride requirement. Is this correct, or does using blast boots to Long or High jump also mean you automatically succeed at the check to make the jump in the first place?
Also, for boot-assisted Long Jumps, is the distance that determines the DC equal to the base distance or the distance + the boost from the boots? I assume it's the base distance and you get the boot boost for free - otherwise the DC gets so high it's not practical.