Square Mary Jane Women's Slip-On Flats - Recycled Knit Comfort

In this review of the Square Mary Jane women's slip-on flats, the bottom line is simple: these are a comfortable, machine-washable everyday shoe for women who want a polished look with sustainable materials. Designed with a rounded-square toe and stretchy strap, the shoe's standout benefit is its soft, lightweight knit made from 100% recycled plastic bottles, which gives reliable cushioning and easy all-day wear. For someone who needs a versatile day-to-night flat that packs well and cleans easily, this model delivers with practical comfort rather than high-performance athletic support.

Key Features

• Recycled knit upper: The upper is knit from Rothy's signature thread made of 100% recycled plastic bottles, reducing landfill waste while remaining soft to the touch.
• Extra comfort construction: The lightweight knit and cushioned insole combine to offer noticeable cushioning and a comfortable stride for daily walking and standing.
• Stretchy strap: The integrated stretchy strap keeps the foot secure without rubbing, adding subtle support and a refined Mary Jane look.
• Machine washable: Insoles can be removed and both shoes and insoles washed in cold water and air-dried for easy care and renewed freshness.
• Day-to-night versatility: The rounded-square toe and clean silhouette transition from office wear to casual outings with minimal styling effort.
• Sustainable manufacturing: Produced in Rothy's LEED and TRUE Zero Waste factory, the shoe reflects an emphasis on better materials and lower environmental impact.

Who It's For

The Square Mary Jane is best for women seeking a polished flat that prioritizes comfort, sustainability, and easy care. It suits commuters, professionals who lean toward business casual, and travelers who need a pair that packs light and can be refreshed in a sink or washing machine.

Those who need wide toe-boxes, specialized arch support, or heavy-duty outdoor footwear should look elsewhere; multiple customers describe a generally true-to-size fit but note the shape can feel narrow for some feet, so shoppers with very wide feet may prefer trialing a different style first.

Pros & Cons

Pros

• Comfortable knitted construction with soft cushioning suitable for long wear.
• Machine washable design makes maintenance simple and keeps shoes looking fresh.
• Eco-friendly materials and factory processes reduce plastic waste and environmental footprint.
• Versatile style that works for office settings and casual evenings.

Cons

• Fit can run narrow for some wearers, so those with wide feet may find them tight.
• Not designed for vigorous athletic use or heavy outdoor conditions.

Specifications

Brand	Rothy's
Style	Square Mary Jane women's slip-on flats
Upper material	Signature knit thread from 100% recycled plastic bottles
Fit	Fits true to size (may feel narrow for some)
Care	Machine washable; remove insoles, cold wash, air dry
Factory	Manufactured in LEED and TRUE Zero Waste facility

Our Verdict

The Square Mary Jane is a smart buy for shoppers who want a comfortable, eco-conscious flat that cleans easily and works from day to night. It offers solid cushioning and a refined silhouette that justifies the price for those who prioritize sustainability and convenience; however, buyers with wide feet should consider fit carefully before purchasing.

Frequently Asked Questions

Are these shoes machine washable?
Yes. Remove the insoles and wash shoes and insoles in cold water, then air dry; avoid heat.

Do they run true to size?
The Square Mary Jane fits true to size for many customers, but some report a narrower fit, so trying your usual size is recommended.

What are they made from?
The knit is made from Rothy's signature thread produced from 100% recycled plastic bottles and manufactured in a zero waste factory.