Chest: Measurement should be taken around the fullest part, just under the arms and across the shoulder blades. Sleeves: With elbow bent, measure from the center (back) of neck to elbow and down to wrist. Waist: Meausre loosely around the waist at the height you prefer to wear the waistband. Inseam: Take a pair of pants that fit well and measure from the crotch to the bottom of leg. Trew garments are designed to be roomy, loose-fitting, and comfortable, without sacrificing functionality for style. The resulting fit is uniquely at home slaying the backcountry or hiking laps in the park.