PUMA offers its PUMA Women's Soleil V2 Sneakers in four colors (Peacoat/PUMA Silver pictured) for $31 with free shipping. (6pm charges the same in Black/Dark Shadow.) That's the lowest total price we could find by $7. They're available in sizes 5.5 to 11, although not in all size/color combinations.
PUMA offers its PUMA Men's Icra Trainer Sneakers in Limoges/Steel Grey/White for $24 with free shipping. That's $6 under our winter mention and the lowest total price we've seen. (It's a current low by $15.) They're available in most sizes from 8 only to 10.