PLEASE REFER TO THE SIZE CHART IMAGE TO FIND THE BEST FIT RECOVER FASTER! PR SOLES are specifically designed to provide athletes the most comfortable pre and post workout footwear to promote the recovery of sore and tired feet. Also great for anyone who spends a lot of time on their feet. Significantly reduce your recovery time by wearing PR SOLES and make your body feel all around better. ACUPOINT (Patent Pending): Our proprietary design features ACUPOINT (Patent Pending) soles, a comfortable and durable foam cushion that conforms to the shape of your foot, allowing for maximum comfort and recovery. ACUPOINT (Patent Pending) soles activate nerve endings in the foot, which in turn massage the feet, improve circulation, and break up painful lactic and uric acid that accumulates in your feet over time. Our PR Soles do not provide arch support. PAMPER YOUR FEET! PR SOLES are proven to alleviate foot, leg, and lower back pain by stimulating nerves and sending healing relief throughout your entire body! Designed with lightweight, breathable material, easily slip on PR SOLES after a long run, a hard day at work or just to lounge around the house to relieve tension and swelling of the feet for constant, all-day comfort. SIZING: PR SOLES Recovery Sandals are designed to be the most comfortable post-run recovery footwear. The wider foot bed and roomy instep allow your foot to breath comfortably and will accommodate swollen feet after long runs. For the best fit, we recommend that you measure your foot and compare that number to the foot bed length in the images. If you are in between sizes, please order the larger size. OUR PR SOLES DO NOT PROVIDE ARCH SUPPORT. DESIGNED AND SOLD BY Gone For a Run ? A USA based, family owned and operated business located in Connecticut. We pride ourselves on the integrity and quality of our products and firmly stand behind all that we sell. If you are not 100% satisfied with your purchase, please contact us so we can make it right.