With the DOUBLE XTENS 2-pocket running belt, keep the essentials within reach throughout your run! Ultra-light, slim, and comfortable Fits all body types Stretchable Waterproof Reflective strips Run conveniently with the new generation Xtens running belt! Its pockets hold and stabilize the contents to minimize bouncing and optimize your comfort. Stretchable, they adapt to your contents (smartphone, keys, energy bar, etc.) while remaining as slim as possible. Adjustable, the belt fits your waist (75 to 160cm) thanks to its wide ultra-comfortable elastic. Ultra-light (88g), Xtens is the lightest belt in its category and allows you to be visible once night falls thanks to its reflective strips.