Orthaheel Womens Gemma is a super comfortable orthotic mule-styled slipper. The Gemma combines the pronation control technology designed in Orthaheels sandals with a soft terry cloth spa slipper! Orthaheel Gemma Orthotic Slipper Orthaheel Womens Gemma is a comfortable orthotic mule-styled slipper. The Gemma combines the pronation control technology designed in Orthaheels sandals with a soft terry cloth spa slipper! Also see the Orthaheel Relax Slipper - same slipper but open-toed. Convenient, pain-free natural healing solution to many of the common aches and pains associated with poor lower limb alignment. Orthaheel technology is clinically proven to reduce excess pronation, a contributing factor to flat feet. & plantar fasciitis EcoFresh anti-bacterial odor-reducing footbed and linings. Fabric covered TPR outsoles with wave-patterened tread provide stability and traction for indoor use. Built-in orthotic footbed provides arch support and is great for people with plantar fasciitis. Medium (B) Width Break-in note: If you have not worn arch supports before, it is important to allow yourself and your feet some time to adjust to the new support. We suggest you wear the Orthaheel orthotic footwear 2-3 hours for the first 2-3 days. After this initial break-in period, wearing the shoes all day should be comfortable and enjoyable. Some individuals take longer to adjust to the support, while others feel the benefits and comfort as soon as they start wearing them.