New Balance’s $90 sneakers are just $21 on Amazon — but only for Prime members

New Balance Is this your sign to finally join Amazon Prime? One of New Balance’s most popular sneakers just got a jaw-dropping price cut, and shoppers are already racing to grab their size before it’s gone. Right now, the New Balance 408 V1 Sneakers are marked down from $90 to just $22 on Amazon — but there’s one catch. The deal is exclusive to Amazon Prime members, meaning you’ll need a membership to unlock the savings. The upside? Prime members can also get free same-day or next-day shipping on millions of other eligible items, plus score all sorts of free perks and exclusive deals. An Amazon Prime membership costs $15 per month or $139 per year, so this New Balance deal alone could help justify the membership — especially if you’ve been thinking about signing up anyway. Not to mention,