Nike Mercurial Superfly 10 Academy IC

Size Chart Footwear Nike

All the Unisex Nike's shoes are available in men's size only. Please see below to convert a women's, EU size, or foot length.

Table covers US-Men 5–14, the range currently stocked in adult boots.

Find the right boot for you

Fit preference — how the boot feels around your whole foot, not just width and length:

• Natural Fit: best for players who want a more relaxed fit and/or have wider feet. Tiempo and Phantom boots.
• Contoured Fit: best for players who want a snug, secure fit that minimizes the space between your foot and the ball. Order your usual size for a snug fit; size up half a size if you prefer a looser fit. Mercurial boots.

Low vs. High — where the boot meets your ankle:

• Low: meets just below the ankle bone. Available without a cuff, in standard lacing and ghost-lacing closures. Tiempo, Phantom and Mercurial all offer no-cuff options.
• High: has a cuff intended to meet just above the ankle bone. The Dynamic Fit collar wraps the ankle in soft, stretchy fabric. Can feel snug initially with a sock-like entry; loosens up with wear. Phantom and Mercurial offer high-cuffed options.

Materials — what the boot's upper is made from:

• Flyknit / Gripknit: Nike-only materials giving a barefoot-like feel on the ball; conforms to the foot. Found in Mercurial and Phantom.
• FlyTouch: soft engineered leather with All Conditions Control (ACC) for wet/dry play; moulds to the foot without overstretching.

FAQ: Nike Football Boots

Q1: Do Nike football boots come in half sizes?
A1: Yes — adult Nike football boots (Tiempo, Phantom, Mercurial) are available in the full standard half-size run, just like other Nike footwear.

Q2: I don't see my usual size in the chart above — what do I do?
A2: This chart only covers US-Men 5–14, the range we currently stock in adult boots. If you need a size outside that range, contact us directly — sizes below 5 fall into kids' sizing (separate chart).

Q3: What does Nike mean by "fit preference" in boots?
A3: Fit preference is about how the boot feels around your entire foot, not just length and width — see Natural vs. Contoured above.

Q4: What's the difference between low and high Nike boots?
A4: See Low vs. High above — it's about where the boot meets your ankle, not overall sizing.

Q5: What materials are used in Nike soccer boots?
A5: See Materials above — Flyknit/Gripknit (Mercurial, Phantom) or FlyTouch leather with ACC.

Q6: How do I measure my foot to find my boot size?
A6:

1. Tape a piece of paper to a hard, flat surface so it can't slip.
2. Stand on the paper, feet shoulder-width apart, weight evenly balanced (one foot on the paper at a time).
3. Have someone mark the tip of your big toe and the outermost point of your heel, pen held straight down.
4. Step off and measure the distance between the two marks — that's your foot length.
5. Repeat on the other foot (feet are often slightly different lengths).
6. Use the longer measurement and match it to the "Foot length" column in the chart above (in inches or cm). If you're between sizes, size up.

PREMIUM SOCCER RETURN & REFUND GUIDELINES

Return Policy

At Premium Soccer, we want you to shop with confidence.

You have:

• 30 days from the order date to return online purchases.
• 14 days from the purchase date to return in-store purchases.

To start a return, simply visit our Return Portal, enter your order number and email address, and follow the instructions provided.

Return Requirements

To qualify for a return, your item must be:

• Unused
• Unworn
• Unwashed
• In its original condition
• Returned with all original tags attached
• Returned in its original packaging
• Not a Final Sale item

All returned items are inspected upon receipt. Premium Soccer reserves the right to refuse returns that do not meet our Return Policy.

Final Sale Items

The following products are Final Sale and cannot be returned or exchanged:

• Personalized products
• Customized jerseys
• Gift cards
• Socks
• Sports bras
• Products marked Final Sale

If you have any questions regarding sizing or product information before placing your order, please contact csr@premiumsoccer.com .

Return Shipping

A trackable return shipping label is generated through our Return Portal.

Return shipping costs are the responsibility of the customer unless Checkout+ was purchased during checkout.

Refunds

Once your return has been received, inspected, and approved, your refund will be processed to your original payment method within 3 business days.

You will receive an email confirmation once your refund has been processed.

Wrong, Damaged or Defective Items

If you receive the wrong item, or your order arrives damaged, or you believe your product has a manufacturing defect, please contact csr@premiumsoccer.com as soon as possible.

Please include:

• Your order number
• A description of the issue
• Photos clearly showing the problem

Our Customer Service team will review your request and provide the next steps.

Warranty

Premium Soccer follows each manufacturer's warranty policy.

Warranty claims must be submitted within 30 days of your purchase.

Manufacturing defects may include:

• Material defects
• Stitching defects
• Construction defects
• Manufacturing or assembly errors

The following are not considered manufacturing defects:

• Normal wear and tear
• Improper use
• Accidental damage
• Improper care or maintenance

If your warranty claim is approved:

• A prepaid return shipping label will be provided.
• We will replace the product whenever possible.
• If the original product is unavailable, we will help you select an alternative product or issue a store credit.

Need More Information?

For complete information about returns, Checkout+, Final Sale products, warranties and refunds, please visit our Return Policy, FAQ or contact us at csr@premiumsoccer.com.