Neptune Slip-On
Orthofeet Sizing Chart
Women's Shoe Size Conversion
| US & Canada | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inches | 8.7 | 8.8 | 9 | 9.2 | 9.3 | 9.5 | 9.7 | 9.8 | 10 | 10.2 | 10.3 | 10.5 | 10.7 | 10.8 | 11 |
| Centimeters | 23.1 | 23.6 | 24 | 24.4 | 24.8 | 25.3 | 25.7 | 26.1 | 26.5 | 26.9 | 27.4 | 27.8 | 28.2 | 28.6 | 29.1 |
Women's Shoe Width Chart
| Narrow | Medium | Wide | X-Wide | X-X-Wide |
|---|---|---|---|---|
| A | B | D | 2E | 4E |
Most Orthofeet footwear is available in Medium, Wide and Extra-Wide widths.
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Neptune Slip-On
No laces. No delay. The SWELLsole Neptune Slip-On brings a zero-fuss fit to your daily rotation with lightweight cushioning, a breathable knit upper, and extremely cushioned insole that adapts with every step. The ultra-responsive EVA midsole keeps rebound locked in, while the collapsible heel makes getting out the door even faster. Travel days, packed schedules, or just staying light on your feet—this slip-on’s ready for all of it.
Inside the Comfort System
Orthotic Insole
Advanced cushioning and support technology designed to improve comfort and provide a more stable walking experience. Learn More
Arch Booster
Customizable support designed to provide extra comfort exactly where you need it most. Learn More
Fitting Spacers
Removable inserts help customize shoe fit and improve overall comfort for everyday wear. Learn More