I think this is what you are talking about...but not positive.
My FI and his guys are going to wear guayabera shirts (probably in linen) and linen pants. We are debating about purchasing the outfits at either Penners or Friday Shirts
Penners: Guayaberas, Mexican Shirts, Hawaiian Shirts, and Guayabera Shirts
Beach Wedding Attire | Guayabera, Guayabera Shirts, Havana Shirts, Mexican wedding shirts, Hawaiian
Guayabera Shirts: Beach Wedding Shirts | Guayaberas, Linen Pants, Boys Linen Shirts, Mexican Wedding Shirts.