RUMBLEROLLER - Beastie Xtra Firm Massage Ball 2-Pack Top Effortlessly switch between the two

Effortlessly switch between the two with intuitive buttons or through the user-friendly Shokz App

See how much power you’re applying to the trail or road so you can manage the effort and fine-tune training

it has Ronhill quality stitched in

The Arete™ Sling 8 brings breathable air mesh back panel and strap

Vibram XS Trek is a technical compound that allows great overall performance qualities

RUMBLEROLLER - Beastie Xtra Firm Massage Ball 2-Pack Top Effortlessly switch between the twoDESCRIPTION: THE ULTIMATE MASSAGE BALL With a perfect combination of bump placement, size, firmness, and flexibility, the Beastie overcomes the limitations of other massage balls. It's an excellent addition to any deep tissue tool set. FEATURES: TROUBLE SPOTS When a dense knot of muscle is unresponsive to foam rolling, try a Beastie. Nothing works better for really deep, focused massage. Use with detachable base for even greater control. LIMITED SPACE