NRG S821
NRG S821
Designed for everyday walking, standing, and mobility.
NRG S821 is a new upgrade following numerous iterations and feedback from our customers. While maintaining MLO's radical simplicity and magical comfort, we've introduced our advanced sole technology, the Eco-Lite™ sole, which offers comfort, support, and slip resistance with enhanced stability.
It's more than just a shoe—it's a leap in comfort for everyday life.
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Free Shipping - We offer free shipping on all orders over $100. Most orders ship within one business day from our warehouse and arrive within 3-6 business days (M-F).
Returns & Exchanges - We offer free returns & exchanges within 30 days of purchase for items ordered at mloshoes.com
Perfect fit promise - If MLO doesn't become your new favorite shoe, send it back. No questions asked.
Product Care - We recommend spot cleaning with a damp white cloth and soap. Dab from the edges of the stain working from the outside toward the center to keep the stained area from getting larger.
Length Guide
Width Guide
Size Chart
| Our Size | EU | US - Men's | US - Women's | UK | JP/KR | IN | CM |
| 5 | 35 | 5 | 6 | 4 | 220 | 9 | 23 |
| 5.5 | 36 | 5.5 | 6.5 | 4.5 | 225 | 9.2 | 23.5 |
| 6 | 37 | 6 | 7 | 5 | 230 | 9.4 | 24 |
| 6.5 | 38 | 6.5 | 7.5 | 5.5 | 235 | 9.6 | 24.5 |
| 7 | 39 | 7 | 8 | 6 | 245 | 9.8 | 25 |
| 7.5 | 40 | 7.5 | 8.5 | 6.5 | 250 | 10 | 25.5 |
| 8 | 41 | 8 | 9 | 7 | 255 | 10.2 | 26 |
| 8.5 | 42 | 8.5 | 9.5 | 7.5 | 260 | 10.1 | 26.3 |
| 9 | 42 | 9 | 10 | 8 | 265 | 10.4 | 26.5 |
| 9.5 | 43 | 9.5 | 10.5 | 8.5 | 270 | 10.6 | 27 |
| 10 | 44 | 10 | 11 | 9 | 275 | 10.8 | 27.5 |
| 10.5 | 45 | 10.5 | 11.5 | 9.5 | 278 | 10.9 | 27.8 |
| 11 | 45 | 11 | 12 | 10 | 280 | 11 | 28 |
| 11.5 | 46 | 11.5 | 12.5 | 10.5 | 285 | 11.1 | 28.3 |
| 12 | 46 | 12 | 13 | 11 | 290 | 11.2 | 28.5 |
| 12.5 | 47 | 12.5 | 13.5 | 11.5 | 293 | 11.3 | 28.8 |
| 13 | 47 | 13 | 14 | 12 | 295 | 11.4 | 29 |
| 13.5 | 48 | 13.5 | 14.5 | 12.5 | 298 | 11.5 | 29.3 |
| 14 | 48 | 14 | 15 | 13 | 300 | 11.6 | 29.5 |
| 14.5 | 49 | 14.5 | 15.5 | 13.5 | 303 | 11.7 | 29.8 |
| 15 | 49 | 15 | 16 | 14 | 305 | 11.8 | 30 |
| 15.5 | 50 | 15.5 | 16.5 | 14.5 | 308 | 11.9 | 30.3 |
| 16 | 50 | 16 | 17 | 15 | 310 | 12 | 30.5 |
*All products are unisex and fit true to size.
*For wide feet, purchase one size larger.
Technology & Features
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Ultra-lightweight
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Breathable
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Antimicrobial
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Durable
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Climate Adapting
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Moisture-Wicking Lining
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Cushioned In-sole
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Water Friendly
Gallery
