| From | To | Price per Piece | | 1 | 11 | Piece | $7.97 | | 12 | + | Piece | $5.50 | The price will be calculated automatically based on how many items you purchase. Wool Blend Flexfit Yupoong Flat Bill Blank Snapback Hats w/ Green Underbill. Vintage old school style. 6 panel hats with 6 sewn eyelets and 8 rows of stitching. Green Underbill. Plastic Snap Closure Back, One size fits most. 80% Acrylic, 20% Wool. Tag: Solid Snapbacks. Tag: Wool Snapbacks. Tag: Flexfit Snapback Hats.