• Help
  • Cart
  • Sign In
  • Find Your Store
Join the Prep Insider Rewards Program. See Details | Sign In

Los Osos High School Grizzlies Apparel Store

Address (Store Correction)
6001 Milliken Ave
Rancho Cucamonga, California 91739

Get your Grizzlies Gear

  • Over 650 Products
  • Sizes up to 6XL
  • Pick Your Sport or Activity


Shop Now >


Shop Now >


Shop Now >

Summer Inspired Graphics

Shop Summer Designs

Tonal Hats

Shop Tonal Hats
Shop Now >

Shop the Los Osos High School Apparel Store for a wide selection of Los Osos Grizzlies merchandise, gear, sportswear and clothing. Whether you are a Los Osos student, parent, teacher, alumni or team member, customized Los Osos High School Grizzlies clothing shows your pride and support when cheering on your favorite Football, Basketball, Baseball, Softball, Soccer or Lacrosse teams! Shop our School Store for your Grizzlies Merchandise. Los Osos High School is located in Rancho Cucamonga, California.