Compression support for the calves and shins Graduated fit helps promote an efficient warm-up pre-exercise and a faster recovery post-exercise Zoned ventilation for breathability - Seamless construction throughout for greater comfort Moisture wicking to keep the skin's surface cool and dry Sold as a pair Repeated muscle vibration to the lower leg can cause fatigue, muscle damage and shin splints. The X Compression Calf Sleeves provide compression support to the calves to help reduce muscle oscillation, while the graduated fit promotes circulation for an improved warm-up and recovery. Zoned breathability panels allow for greater air flow, making these sleeves suitable and comfortable for extended wear.