Lululemon cropped charcoal gray micro-stripe leggings size 4-6

Lululemon cropped leggings in charcoal gray micro-stripe with black inserts at bottom of leg. No size info, but must be 4 or 6. Please check measurements below. Good quality Lycra-like fabric. I can’t find an exact fabrication. Back waist zip pocket for money, key, or small phone. Great condition—clean and no pilling. Waist circumference unstretched 27” Length 29.5” Inseam 20”