Here is a list of the most commonly used measurement terms. To help you choose the best size, compare each product's measurements with your own.
(a) NECK Measure around the base of your neck, under your Adams apple, where your shirt collar sits, with enough room for two fingers to fit inside
(b) CHEST Measure around your chest, close up under your armpits, at the fullest part
(c) WAIST Waist. Measure your waist, where the waistband of your pants sit
(d) INSIDE LEG Measure your inside leg, from your crotch to your ankle – or measure the inside seam of one of your pants that fit you well