Kalsten | FOOTFORM 3D – Insoles for Comfort & Orthopedic Support
3D insoles for better comfort and support
Experience a new dimension of foot comfort with our 3D insoles, specially designed to relieve foot pain and provide optimal support. Ideal for people with flat feet and for relieving pain from plantar fasciitis, these insoles enable pain-free walking and standing.

Important features
- Orthopedic support: The arch support helps relieve stress and pain from flat feet and plantar fasciitis.
- High-quality, breathable material: The dense foam padding and breathable lining absorb sweat during long activities.
- Suitable for daily use: Our insoles fit all types of shoes, including sneakers, boots, casual shoes and high heels.
Specifications
- Material: High-density foam and breathable lining
- Size: One size, adjustable for different shoe sizes
- Package contents: 1 pair of 3D foot insoles
- Suitable for: Flat feet, plantar fasciitis and general foot pain
- Care instructions: Hand wash recommended
Free standard shipping on all orders. No minimum purchase.
- Ships to: United States
- Processing: 1–4 business days (Mon–Fri)
- Transit: 5–10 business days
- Total delivery time: 6–14 business days
- Order cut-off: 5:00 PM CET
You will receive a tracking number by email once your order ships. Please allow up to 48 hours for tracking to update.
See our full Shipping Policy.
You have 14 days from delivery to request a return.
- Email support@open.shop with your order number to start a return.
- Items must be unused, complete, and in their original packaging.
- Return label: flat $9.99 USD, deducted from your refund — nothing to pay upfront.
- Damaged, defective or incorrect items: we cover all return and replacement costs.
- No restocking fees.
- Exchanges: contact us and mention "exchange" — the new item ships once your return arrives.
- Refunds are issued within 7 business days of inspection.
See our full Return Policy.
Questions about your order or our products? We're happy to help.
Open
Hooizolder 214
Drachten Friesland 9205CD
Netherlands
Email: support@open.shop
Customer Service:
Monday to Friday, 8:00 AM – 6:00 PM CET (excluding public holidays)
We reply to all messages within 24 hours on business days. Weekend messages are answered on Monday.
For quick answers, visit our FAQ page or use our Contact Form.