These pants from OMM are worth the hype they've received. They are not only waterproof and windproof, but also breathe fantastically well, which makes them perfect for trail running.
Details:
no seams in the lower part of the leg
Reflective logo
Water column: 20,000 mm
Wind and waterproof
Breathability: 20,000 g/m²/24H
Hooks to attach the pant leg to the shoelace
Stretch panels and four-way stretch for freedom of movement
Seamless design on inner leg to avoid chafing
Water-repellent YKK zippers at the leg ends
Loops at the leg ends where you can attach a strap to wear under your feet