Billabong - Tribong Pro 18" Boardshorts. Color Coastal Blue. Low Stock. On sale for $50.50. MSRP $59.95.. Add to favorites. 0 people have favorited thisLow Stock+4Brand NameBillabongProduct NameTribong Pro 18" BoardshortsGenderMen'sColorCoastal BluePrice$50.50MSRP: $59.95Rating