Systems and methods for supporting a user's limb are provided. In some embodiments, a system may include a foot plate configured to engage the user's foot, a coupling configured to engage a portion of the user's leg, a first leaf spring disposed between the foot plate and the coupling, and a second leaf spring extending alongside at least a portion of the first leaf spring. In some embodiments, a space may be defined between the first leaf spring and the second leaf spring. In some embodiments, the space between the first leaf spring and the second leaf spring may be configured to receive one or more spacers of a plurality of spacers.
