Prostretch® The Original Calf Stretcher Hats One size fits all

One size fits all

100% Merino wool fabric offers breathable warmth

HEIQ clima-management improves cooling

Hike how you like in our responsibly sourced

The inner brief has moisture-wicking NB DRY technology for a comfortable feel

Prostretch® The Original Calf Stretcher Hats One size fits allProStretch Original "Blue" Calf and Foot Stretcher helps relieve and stretch the plantar fascia, calf, foot, and hamstring muscles far more effectively than conventional methods. For over 20 years, ProStretch has been the favorite calf stretcher of professional athletes, athletic trainers, and physical therapists worldwide. Proven Effective Design ProStretchs unique rocker design holds the foot in the optimal position for a biomechanically accurate