Lederhosen
Kurzhosen (shorts) | Bundhosen (Over-the-Knee) | Full Length
Lederhosen simply means, leather pants, and comes in 3 lengths:
Some common terms:
Träger/Hosenträger - Suspenders
Steg - Ornate leather piece that runs across the chest between the suspenders
Latz - Button up flap in the front
Gürtel - Belt with metal buckle
Bundhosen - Knee-Length
Bundhosen are worn to formal events, and are standard except in summer. They can be worn at less formal events (Fests, etc), but usually the full-length socks are worn loose at the top of the shoe. They are worn with the träger or gürtel.
Lederhosen - Short-Length
Kurz Lederhosen is most common and is for summer time or informal events, like Fests and less formal gatherings. They can be worn with träger or gürtel, or sometimes neither.
Lederhosen - Full-Length
This style is most common at work type events and part of a matching "suit," Trachtenanzug. They are worn with a belt, but not suspenders.
Tracht Shirt
Formal - solid colored (often white); sleeves rolled down.
Tie or neck ornament is worn.
Informal - solid colored, white, or checkered (white/blue - white/green - etc).
The shirt can also be embroidered.
Ties are generally not worn, and sleeves are often rolled up to above the elbow.
Tracht Vest | Tracht Jacket | Tracht Hat
Formal - vest is required and region-specific.
Informal - vest is optional and a personal choice.