kalso earth

Proper - Kalso Earth Shoes

In a full array of colors to match any occasion, the Proper is a versatile slip-on with an understated flair.

Premium leathers are accented by a decorative front bow to keep things playful. Pleated perimeter band allows for easy-on and easy-off convenience.

To view pricing, please make a selection below.

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  • Features
  • Specifications
  • Sizing
  • Eco-info
  • Videos
  • Fun and playful Flat by Earth
  • Classic slip-on style
  • Leather upper
  • Bold stitching
  • Removable insole

Earth Shoes - Kalso Negative Heel Technology Kalsø® Negative Heel Technology®
A unique inclined sole that positions the toes 3.7º higher than the heels. The slight angle shifts weight subtly back over the heels, and can help strengthen and tone the body while also burning calories.


Earth Shoes - Anatomic Arch Support Anatomic Arch Support
All Earth footwear features reinforced support through the arch. The arch support maximizes the effectiveness of the heel design in promoting a natural walking motion.


Earth Shoes - Biofoam Cushioning BioFoam™ Cushioning
The form-fitting footbed molds to the shape of the foot, displacing and absorbing shock with each step, and is environmentally-considerate, using 70% recycled content.

Please note that Earth Shoes are in USA sizing.
The "cm" system is based on the insole measurement.

-- Sizing Chart

  • Just over 30% of our line uses leather upper alternatives
  • We're doing more and more with earth-friendly upper materials - like hemp and bamboo
  • We've been a leader in the use of water-based adhesives for some time
  • All of our shanks use recycled cardboard
  • Our packaging is all one-piece construction, glue-less, and made with 30% recycled paper
  • The inks used on all of our packaging are soy-based
  • Our shoes are packed in either earth-friendly hemp or biodegradable PLA plastic shoe bags