Leaper's ElixirItem 1+
AlchemicalConsumableElixir
Source Core Rulebook pg. 549 2.0
Usage held in 1 hand; Bulk L
Activate 
Interact
This tingly solution increases the elasticity and contraction of your leg muscles. For 1 minute after drinking this elixir, you can High Jump or Long Jump as a single action instead of 2 actions. If you do, you don’t perform the initial Stride (nor do you fail if you don’t Stride 10 feet).
Leaper's Elixir (Lesser)
Item 1Source Core Rulebook pg. 549 2.0Price 3 gp
Leaper's Elixir (Greater)Item 7
Source Core Rulebook pg. 549 2.0Price 55 gp
The maximum vertical distance you can jump with a High Jump is the same as you can jump horizontally with a Long Jump.