DESIGNED FOR IPHONE XR – This armband is designed to fit the iPhone XR with a slim phone case on (NOT large case). Listen to music and track your fitness, without the inconvenience of removing your smartphone. ONE SIZE FITS ALL – The secure armband has a dual adjustable arm strap with reinforced stitching ‘All the way around’ ensuring the fastener will grip tight and not fall down. The armband now comes with a premium extender strap to fit all arms circumference: X-SMALL 9” – X-LARGE 20” inches PROTECTS YOUR PHONE – The No1 complaint with other Armbands is that sweat can damage your phone. NO MORE!! Our New ADVANCED Neoprene material will stop sweat from getting to your phone. Don??t risk your expensive Smartphone. Treat yourself to the very best TODAY. HIGH VISIBILITY – The extra bright reflector strip gives you high visibility when on the roads at night. The separate key pocket helps protect your phone from scratches and the clear screen cover gives you complete phones access inside the case. LIFETIME WARRANTY – Here are RevereSport we care about our customers and we only provide the finest quality sports armbands. Feel secure when you purchase knowing you are covered by our 60-Day money back Guarantee and our LIFETIME replacement Guarantee.