Trigger Nano Foot Roller Electronics this trail icon employs a

this trail icon employs a foot-cradling heel bolster

Seamless construction and left/right design for 360-degree blister protection

and a stretchy dual gusset beneath the lace line to help mitigate tongue migration

Stay protected from the sun and other elements

Designed by runners

Trigger Nano Foot Roller Electronics this trail icon employs aThe NANO Foot Roller is designed to increase flexibility, relieve aches and pains, and target tension in the small muscles of the foot and forearm. The raised tips replicate the feeling of a massage therapist's fingertips to channel nutrients directly to the tissue and improve circulation.