Built so you can test your limits. Clinically proven to improve performance, you'll feel lighter on your feet and re-energized. These men's calf sleeves increase circulation, help prevent injury, make your run far more enjoyable. The product of years of R&D, we're the best thing to put between you and every impact.

• Encircles your muscles more than 300 times in graduated compression
• Technical performance knit delivers exceptional air flow
• Supremely smooth yet durable
• 20-30 mmHg graduated compression
• Low-maintenance ownership -- machine wash and dry
• Guaranteed for six months (150-200 wears)

Material: 85% Polyamide (Nylon), 15% Elastane