The Official Strassburg Sock is a clinically proven, comfortable night splint designed to relieve plantar fasciitis, heel pain, Achilles tendonitis, and calf tightness. Unlike bulky traditional braces, this sock gently stretches your foot and calf muscles overnight, helping to reduce morning pain and promote healing.

• Regular Size: Fits calf circumference up to 16 inches (measure around the widest part of the calf)
• Large Size: Fits calf circumference from 16 to 21 inches