A store on The Hill for all your CU and Boulder needs.. In Short For customers looking for anything CU- or Buff-related, they'll find it here. College Corner has the best selection and best quality on The Hill of sweatshirts, t-shirts, hats and everything else you could need or want. All sizes are available from t-shirts for infants to Big & Tall. Offerings include a CU shot glass, key chain, sticker or flag as a souvenir for the family.