Details & Specs for Thera Sox

For relief from tired, achy feet or chronic foot pain, place our soft polar fleece socks in the microwave for 30 seconds. Slip your feet in for soothing warmth up to 20 minutes. Insert pack can be placed on top or bottom of foot as needed. Place inserts in freezer for refreshing cold treatment to reduce swelling. Ideal for arthritis and circulatory problems.