Amazon offers Prime members the New Balance Women's Go 2 Tights in Black for $18.24 with free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, it adds $5.58.) That's $2 under last week's mention and the lowest total price we could find by $17. They're available in size L only.

Need another size? They're available in size S for $5 more and size M for $3 more.