For weather that is neither extremely cold nor hot, the GORE C3 3/4 cycling pants are ideal.

details, materials and maintenance

aCTIVE Comfort cycling liner - protects, fits and does so with minimal bulk
highly functional, breathable and flexible material
full mesh construction of the upper with braces for optimal adaptation to the body in motion
flat hem holds but doesn't pinch
optimized seam placement for greater comfort
reflective details
weight: 193g

main fabric: 80% polyamide, 20% elastane
mesh: 95% polyester, 5% elastane

machine washable on delicate programme at max 40°, do not use bleach, fabric softener, dryer or iron.