• 747 Y-Front Discovery Kit - kit
  • 747 Y-Front Discovery Kit - kit

747 Y-Front Discovery Kit

7 y-fronts 4 the 7 days of the week. The iconic no frills, no logo y-fronts inspired by the model developed by the Swedish Army in the 70s. The discovery kit contains a pair of briefs in each of the seven RD colors. Ron Dorff offers you an extra pair in black for Sunday wear.

Size guide


This product is out of stock

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  • Tapered fit 
  • Go up one size on your usual size for a looser fit
  • 7 underwear 4 the 7 days of the week
  • 95% Jersey cotton, 5% elastane
  • Covered elastic waistband
  • Doubled front
  • Reinforced top stitching
  • Double embroidered RD eyelets on the side
  • Made in Portugal
  • Comes in a functional hard-box with magnet closure

Size & fit

The model measures 182 cm and wears a size L