📏 Measure your foot circumference along the heel: SMALL: 9.5–11.5” (23–29 cm); MEDIUM: 12–13” (30.5–33 cm); LARGE: 13.5–14.5” (34–37 cm); X-LARGE: 14.5”+ (37+ cm) All-Day Pain Relief & Support: Targeted compression helps relieve pain from plantar fasciitis, Achilles tendonitis, sprains, arthritis, and general ankle fatigue—without limiting your range of motion. Stay Active Without Swelling: Say goodbye to sore, swollen ankles after workouts, long walks, or long hours on your feet. Our sleeve boosts circulation and reduces inflammation before it starts. Won’t Slip or Bunch—Ever: Designed with a snug, stay-in-place fit that won’t roll down or bunch up—whether you’re running, lifting, walking the dog, or working a 12-hour shift. Breathable Comfort You’ll Forget You’re Wearing: Moisture-wicking, breathable fabric keeps your skin cool and dry—ideal for both everyday wear and intense workouts. Fits in Any Shoe—No Bulk, Just Support: Slim profile fits easily under socks or inside sneakers, dress shoes, or work boots—perfect for daily wear, travel, or post-surgery recovery. Compression Ankle Brace from SB SOX