Amazon offers Prime members the Levi's Men's 514 Straight-Fit Corduroy Jeans in several colors (Black pictured) for $21.99 with free shipping. That's the lowest price we could find by $18. They're available in inseams 30 to 36 and waist sizes 28 to 42, although not in all size/fit/color combinations.
REI Garage offers the Merrell Kids' Novica Moc Shoes in several colors (Brown pictured) for $29.73. Opt for in-store pickup to avoid the $5.99 shipping fee. That's $15 off and the lowest price we could find. They're available in standard and wide sizes from 11.5 to 7, although not in all size/color combinations.