OS1st FS4+ Pink - Advanced Recovery and Compression Socks The OS1st FS4+ Pink is a high-performance compression sock designed for runners and anyone seeking fast recovery from foot and leg discomfort. Combining five graduated compression zones with targeted support, this all-in-one sock is perfect for alleviating pain and swelling from conditions like plantar fasciitis, heel spurs, shin splints, Achilles tendonitis, sore heels, and arch pain. It helps accelerate recovery while supporting healthy circulation, making it ideal for both athletes and those dealing with chronic foot issues. Key Benefits and Features Multi-Condition Relief: Designed to help alleviate common foot and leg problems such as plantar fasciitis (heel spurs), shin splints, Achilles tendonitis, and sore heels. Graduated Compression Zones: The sock features five strategically placed compression zones that provide support to the ankles, heels, and calves, improving circulation and reducing swelling. Support for Plantar Fascia: Like other OS1st products, the FS4+ sock offers dedicated support for the plantar fascia (the tendon under the foot) to help reduce pain and discomfort associated with heel spurs. Speed Up Recovery: The sock is designed to promote faster recovery by improving circulation and providing targeted compression to support muscles during and after intense exercise. Anatomically Designed: The FS4+ is tailored for an optimal fit, ensuring it stays in place without restricting movement, offering comfort throughout the day or during physical activity. When to Use OS1st FS4+ Socks The OS1st FS4+ Pink socks are perfect for: Plantar Fasciitis (Heel Spurs): Targeted compression helps reduce pain and inflammation in the heel and arch. Achilles Tendonitis: Provides relief and support to the Achilles tendon during recovery. Shin Splints: Reduces muscle strain and swelling to support quicker recovery. Sore Heels & Arch Pain: Alleviates foot discomfort and accelerates healing. Faster Recovery: Assists with muscle recovery and reduced soreness after intense physical activity. How to Find Your Perfect Fit To choose the correct size for your OS1st FS4+ Pink socks, measure the circumference of your ankle and calf: Size Ankle Circumference Calf Circumference Shoe Size Small 17-22 cm 24-27 cm 33-36 Medium 21-27 cm 30-43 cm 37-41 Large 25-31 cm 35-48 cm 42-46 XL 30-35 cm 37-51 cm 47-50 When in doubt between two sizes, it is recommended to go with the larger size for a more comfortable fit. Product Details Material: 20% Lycra Spandex, 80% Micro-Nylon Colors: Pink Sold in Pairs Graduated Compression Zones Zone 1: 10-15 mmHg Zone 2: 20-30 mmHg Zone 3: 15-20 mmHg Zone 4: 20-30 mmHg Zone 5: 20-30 mmHg