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Transform into Knuckles The Echidna with this Sonic Prime costume. Made with high-quality material, this onesie jumpsuit ensures a comfortable and authentic cosplay experience. Perfect for Sonic fans, this Knuckles costume is a must-have for any gaming event or costume party.

  • Brand: Cosplay Costume
  • Model: HLW-SonicRed-Adults-Onesie
  • Price: $61.99 - In stock

Sonic Prime Knuckles The Echidna Costume - Onesie Jumpsuit Knuckles The Echidna Cosplay Zoom

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Sonic Prime Knuckles The Echidna Costume - Onesie Jumpsuit Knuckles The Echidna Cosplay

Sonic Prime Knuckles The Echidna Costume - Onesie Jumpsuit Knuckles The Echidna Cosplay

Sonic Prime Knuckles The Echidna Costume - Onesie Jumpsuit Knuckles The Echidna Cosplay
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Scroll to the bottom to see our tips on sizing.  There are two size charts below, one chart is displayed in cm, and the other is displayed in inches.

Size Height (cm) Chest (cm) Hip (cm)
S 150 115 130
M 161 120 136
L 171 125 142
XL 181 130 178
Size Height (inches) Chest (inches) Hip (inches)
S 59.06 45.28 51.18
M 63.39 47.24 53.54
L 67.32 49.21 55.91
XL 71.26 51.18 70.08

Tips on how to choose your size.  Here is an example. You measure yourself with these measurements:  height: 162 cm, chest: 85cm, waist: 68cm, hip: 98cm.  In this case, these measurements fall between sizes S to L.  You should choose your size according to the largest of these measurements.  In this case, since hip is the largest of these measurements, you would select size L for your size.  If your costume doesn't quite fit right in all areas, it can be altered.  You can take it to a local tailor and they will alter it to fit you perfectly. If your measurements are close to the next size up, then you should select the larger size.  It's always better to have a larger size that fits, than a smaller size that doesn't fit at all.  Larger sizes can always be altered with a tailor; if it's too small though, an alteration won't help.

$61.99
In stock
$61.99
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Product Info

Transform into Knuckles The Echidna with this Sonic Prime costume. Made with high-quality material, this onesie jumpsuit ensures a comfortable and authentic cosplay experience. Perfect for Sonic fans, this Knuckles costume is a must-have for any gaming event or costume party.

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