Shop Macys.com for a variety of kids' activewear discounted up to 70%. The pictured little boys' Adidas Long-Sleeved Training Tee, originally $30, drops to $8.99 in two colors and $10.99 in two more. And the girls' Ideology Active Jacket drops from $39.50 to $14.99. Shipping is free on orders over $25 or those containing a beauty item (otherwise it starts at $9.95). Sales tax is charged in most states.