Shopping agents
Kakobuy
Kakobuy is a China shopping agent that buys pants from Taobao, Weidian, 1688, Tmall and JD, photographs each pair in its warehouse, stores items for 100 days and consolidates them into one international parcel — useful when you are comparing waist, inseam and silhouette across several listings.
Short answer
Kakobuy works well for pants shopping because 100 days of free storage lets you order several silhouettes, check the QC photos and size labels, then ship only the pairs that fit your measurements. Budget roughly a 4.5% payment fee, no separate purchasing fee, and international freight quoted at parcel submission.