Shop › Flathead Lake Trucker Hat- grey/white Image 1 of 1 Flathead Lake Trucker Hat- grey/white $28.00 Cotton-Polyester Twill/Trucker Mesh. One Size Fits Most. This product is an adjustable snapback. Quantity: Add To Cart Added! Cotton-Polyester Twill/Trucker Mesh. One Size Fits Most. This product is an adjustable snapback.