Costco offers its members the Fila Men's or Women's Trail Shoes for $19.99 with free shipping. (Non-members must pay a $1 surcharge.) That's tied with last year's mention and the lowest price we could find by $10. They're available in men's sizes 8 to 13 and women's sizes 6 to 11.
Macy's offers the O'Neill Men's Calypso Stripe 21" Boardshorts in Yellow for $17.73. Pad your order with a beauty item (they start at $4) to bag free shipping; otherwise, shipping adds $10.95. That's the lowest price we could find by $18. They're available in sizes 31 to 44.