25% harder than the medium Rollga Foam Roller: Perfect for experienced users, professionals, and anyone who wants a deeper, more intense muscle release. Boost Flexibility by 22%: Improve flexibility 8% more than traditional flat foam rollers for enhanced mobility and performance. Reduce Muscle Soreness by Approximately 30%: Scientifically proven to aid muscle recovery and reduce soreness, getting you back to peak performance sooner. Patented Spine-Safe Design: Special contours protect your spine and shoulder blades, avoiding compression and preventing bruising. Targeted Back Pain & Headache Relief: Unique Rollga bumps apply precise pressure to relieve tension in your back & neck muscles while comfortably cradling your spine & head. Enhance Yoga and Workouts: Perfect for incorporating into yoga sessions or workouts to deepen yoga flows or add an additional challenge to a workout Durable: Made from professional-grade EPP foam that holds its shape over time.