Would s-m size fit a 10 year old?

I think it probably would. Fits a 9 year old well.

My son is 6 will this fit xs ? Regards Daniel

My son is 9 and fits in s/m so I’d say Xs would fit a 6 yr old

My son is nearly 13 but small .. will this fit him?

I would go for a medium. I bought a small for my 7 year old but it was too tight. A medium was a much better fit.

what is the head circumference in cm?

Hello, Thank you for your interest and your question. Due to a technical error, the product you're looking for is only displayed in one size. The cap is a size S/M and fits kids with a head circumference of 53-55cm. If you have any further questions, please reach out to us again. Kind regards, Your Under Armour Team

Under Armour Boys Ua Boys Blitzing 3 Cap Boys Baseball

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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€ 61.35

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Sold byAmazon PortugalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🧢 Own the Game, Stay Cool, Look Sharp!

DURABLE EASY CARE - Lightweight 100% polyester material is machine washable and built for active kids.
STAY DRY STAY FOCUSED - Integrated HeatGear sweatband actively wicks sweat away for all-day comfort.
NEXT LEVEL BREATHABILITY - Innovative UA Microthread fabric delivers superior stretch and airflow to keep cool under pressure.
PERSONALIZED FOR THE WIN - Embroidered logos and interior name tag ensure your cap stands out and never gets lost.
EFFORTLESS STYLE SHAPE RETENTION - Pre-curved visor and structured panels keep your cap looking sharp all day.

The Under Armour Boy's UA Blitzing Adj Cap combines classic structured design with cutting-edge UA Microthread fabric for superior stretch and breathability. Featuring a pre-curved visor, HeatGear sweatband for moisture management, and personalized embroidery, this lightweight, machine-washable cap is engineered to keep young athletes cool, dry, and stylish during all their outdoor adventures.

Specifications

ASIN	B071LH1VTB
ASIN	B071LH1VTB
Age Range Description	Kid
Apparel Fabric Stretch	Medium Stretch
Apparel Fabric Weight Class	Lightweight
Best Sellers Rank	1,203,804 in Fashion ( See Top 100 in Fashion ) 9,719 in Men's Baseball Caps
Brand Name	Under Armour
Closure Type	Snap
Colour	Black
Customer Reviews	4.5 4.5 out of 5 stars (516)
Customer reviews	4.5 4.5 out of 5 stars (516)
Date First Available	29 Sept. 2017
Department	Boy's
Fabric Type	100% Polyester
Fit Type	Stretch
Fit to Size Sentiment	Positive
Global Trade Identification Number	00191169579930
Hat Form Type	Baseball Cap
Is Waterproof	False
Item Dimensions	10 x 10 x 10 millimetres
Item Type Name	Boy's Baseball Cap, Snapback for Boys
Item model number	1305457
Manufacturer	Under Armour
Manufacturer	Under Armour
Manufacturer Part Number	1305457-001
Material Type	other
Model Number	1305457
Number of Items	1
Occasion Type	Birthday
Pattern	Solid
Pattern Description	Graphic
Product Care Instructions	Machine Wash
Product Dimensions	1 x 1 x 1 cm; 90 g
Recommended Uses For Product	outdoor
Season and Collection Year	Spring/Summer
Seasons	Spring-Summer
Special Features	Breathable
Sport Type	Sportswear
Style Name	UA Boy's Blitzing 3.0 Cap
Sun Protection	2E+1 Sun Protection Factor (SPF)
Theme	Sport
UPC	191169579930
Unit Count	1.0 count
Water Resistance Level	Not Water Resistant
character	Sports

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