elastic sock for treating plantar fasciitis wherein the sock has a heel opening and exerts compressive forces along the longitudinal and transverse axes of a patient 39 s foot application_number US 82691197 A description fig1 4 illustrate an orthotic device or sock 10 in accordance with the preferred embodiment of the present invention the enveloping sock 10 comprises heel strap 11 attached to top piece 15 bottom piece 18 and metatarsal piece 14 ball insert 12 adjacent to the metatarsal piece 14 to be positioned under the ball of the foot and thong 16 to be positioned between the big toe and the other toes the sock is fashioned so as to provide compressive forces on the foot to reduce or relieve stresses or forces in the tissues of the foot mild compressive forces applied to the foot will relieve at least some of the tensile forces in the plantar fascia heel strap 11 is made of an elastic material and in the preferred embodiment it is made of a knitted elastic material as shown in fig1 heel strap 11 fits around the heel of the foot and extends along both sides of the foot to the front of the foot the elastic fibers of heel strap 11 generally run longitudinally in a direction parallel to the length of the foot therefore the heel strap 11 stretches most in this longitudinal direction than in any other direction heel strap 11 is attached to top piece 15 bottom piece 18 and metatarsal piece 14 by stitches 19 or other suitable attachment means preferably top piece 15 bottom piece 18 and metatarsal piece 14 are also made of an.