BLACKROLL® Standard Marathon Essentials If the difference is between

If the difference is between sizes

Wear it around your neck

Including those tight and knotted muscles you can't reach

Technical 4-way stretch main fabric (polyester/elastane blend)

Dynamic arch technology made from silver Nylon 6 composite

BLACKROLL® Standard Marathon Essentials If the difference is betweenThe BLACKROLL STANDARD foam roller is the crme de la crme of foam rollers! Not just your average roller, the BLACKROLL STANDARD Foam Roller is the perfect introduction to recovery and massage both pre and post run. With regular use this lightweight but dense roller can help you achieve longer lasting relief from muscle aches and pains. Use alone or to enhance and intensify your functional workouts. The BLACKROLL STANDARD Foam Roller comes with a handy