EvansSneakers
Nike Ja 4 Nightmare
✔ 100% Authentic ✔ Fast U.S. Shipping ✔ Secure Checkout
Selling fast — limited availability
Description
A bold and high-performance addition to Ja Morant's signature line, this specialized basketball sneaker combines explosive court responsiveness with a striking, atmospheric theme for elite play and standout street style.
The Nike Ja 4 "Nightmare" is engineered for explosive guards who demand quickness, stability, and dynamic energy return. By merging an agile low-top profile with dark, eerie aesthetic accents, this sneaker provides a locked-in fit, lightweight agility, and unmatched grip for dynamic cuts and fast breaks.
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Striking "Nightmare" Theme: Features a dramatic, moody colorway accented by eerie graphic details and vibrant highlights for a fierce, commanding presence on and off the court.
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Signature Ja Morant Silhouette: Built specifically for dynamic playmakers, supporting rapid acceleration, sharp deceleration, and explosive verticality.
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Guaranteed Quality Construction: Crafted with a breathable, reinforced mesh upper and durable synthetic overlays to deliver continuous midfoot lockdown and long-lasting on-court durability.
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Explosive Cushioning & Support: Engineered with a responsive foam midsole and targeted Zoom Air units to ensure snappy energy return, high-impact absorption, and agile court feel.
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Secure Low-Top Design: Fitted with a padded collar, webbed lockdown lacing system, and a stable platform designed for a snug, supportive, and agile fit.
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Advanced Traction Outsole: Equipped with a multi-directional rubber tread pattern inspired by Ja's signature movements, ensuring reliable multi-surface grip and sharp directional changes.
All products sold by Evans Sneakers are 100% authentic and brand new.
Sneaker Size Guide
Sneaker Size Guide
Finding the right size is essential for comfort and performance. Use the chart below as a general reference for sneaker sizing across major brands including Nike, Jordan, Adidas, New Balance, and more.
General Sizing Information
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Most sneakers are designed to fit true to size
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Fit may vary slightly depending on the model and materials
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If you are between sizes, consider your personal preference for a tighter or roomier fit
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We recommend comparing with a pair you already own for best accuracy
Men's / Women's Conversion
| US Men's | US Women's |
|---|---|
| 4 | 5.5 |
| 5 | 6.5 |
| 6 | 7.5 |
| 7 | 8.5 |
| 8 | 9.5 |
| 9 | 10.5 |
| 10 | 11.5 |
| 11 | 12.5 |
| 12 | 13.5 |
| 13 | 14.5 |
| 14 | 15.5 |
| 15 | 16.5 |
Grade School (GS) to Women's Conversion
Grade School (GS) sizing overlaps with smaller women's sizes.
Conversion rule:
Add 1.5 to GS sizing to get the equivalent women’s size.
| GS (Youth) | Women's |
|---|---|
| 3.5Y | 5 |
| 4Y | 5.5 |
| 4.5Y | 6 |
| 5Y | 6.5 |
| 5.5Y | 7 |
| 6Y | 7.5 |
| 6.5Y | 8 |
| 7Y | 8.5 |
Size Conversion Chart
| US Men's | UK | EU |
|---|---|---|
| 6 | 5 | 39 |
| 7 | 6 | 40 |
| 8 | 7 | 41 |
| 9 | 8 | 42.5 |
| 10 | 9 | 44 |
| 11 | 10 | 45 |
| 12 | 11 | 46 |
| 13 | 12 | 47.5 |
| 14 | 13 | 48.5 |
| 15 | 14 | 49.5 |
Youth & Kids Sizing
| Label | Description |
|---|---|
| (GS) | Grade School |
| (PS) | Preschool |
| (TD) | Toddler |
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GS (Grade School) sizes overlap with women's sizing
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Youth sizing generally runs smaller than adult sizing
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Always refer to US sizing when selecting youth products
Final Notes
Sizing may vary slightly between brands and individual models. This guide is intended as a general reference to help you choose the best size.
If you have specific questions about a product, feel free to contact our team before purchasing.
Product information
All items from Evans Sneakers are sourced directly from trusted suppliers, brands, or verified account holders. Every product is carefully reviewed to ensure authenticity and quality.
Our goal is to provide a reliable, transparent shopping experience so you can purchase with confidence every time.
Orders are processed within 1–2 business days. Shipping options and estimated delivery dates are calculated at checkout based on your location.
We offer free shipping on qualifying orders. Expedited shipping options are also available at checkout.
Returns are accepted within 30 days for unworn items in original condition.
At Evans Sneakers, our goal is to provide a seamless and dependable shopping experience from start to finish.
If you receive an incorrect item or experience any issue, we will make it right. Your satisfaction is our priority, and our team is always available to assist.
Buy With Confidence
100% authentic sneakers sourced from trusted retailers.
Verified, packaged, and shipped fast.
What Customers Are Saying
Frequently Asked Questions
What payment methods can I use?
We offer payment through PayPal checkout. This allows our customers to purchase using the vast variety of options that PayPal offers.
Can I purchase items with another currency?
No, at the moment we are only accept payments in USD. If you are purchasing in another currency, your order total may include PayPal fee's and currency exchanges.
Can I make changes to my order after it’s been placed?
We do everything we can to fulfill orders quickly and unfortunately cannot make updates after an order has been placed. These changes include removing or adding products and/or changing the delivery address. If a mistake has been made with your order information, it’s quickest to create a new order with the correct information and then let our Customer Service know.