so go with the size you usually wear is ok
Bottom: Elastic waistband with adjustable drawstring
Fit Type: Regular
durable and soft
Straight-leg Trousers --- Simple style
Nature Style Stripe Cotton Shirt and Pants Set Size:M so go with the sizeMaterials: 100% Cotton Fabric Feature: Skin friendly, breathable, durable, easy to care Style: Minimalist, ethnic style Top: Long sleeves, stripe design, button closure Bottom: Straight legs, elastic waist with internal drawstring, 2 slant pockets, 1 back pocket Occasions: Daily, casual wear, travel, beach, vacation, etc. Package Includes: Shirt*1, Pants*1 Care Instructions: Machine wash cold, wash with like colors