Marmot offers its Marmot Men's Crux Shorts in Team Red, Black, or Bright Lichen for $20.97 with free shipping. That's the lowest total price we could find by $16. They're available in sizes L to XXL, although not in all color/size 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.