New with tag 'Marks & Spencer' blue jeggings
On the tag it states Jeggings super skinny fit to the ankle, supersoft

ACROSS THE TOP OF THE WAIST IS 14.5" PLEASE CHECK THIS MEASUREMENT AS EXPLAINED BELOW, BECAUSE I AM UNSURE IF IT COMES UP SMALL OR NOT!
PLEASE CHECK THE RISE ALSO AS THIS WILL AFFECT WHERE THE JEGGINGS SIT ON YOUR WAIST

On the label it states size 12
On the tag size 12 Regular
Measuring across the top of the waist is 14.5" 
Rise 10"
Measuring across the top of the thigh across from the crotch is 9.5"
Inside leg 29"  
Across the hem is 4"

To check your waist measurement please lie the jeans flat, don't bring the front of the waist up to match the back of the waist
Lie them flat & measure across the very top inside the waistband that is to get your waist measurement
Please keep in mind different styles of jeggings sit differently & the rise makes a difference too

To check your inside leg length please lie jeggings flat & measure from the crotch to the hem