Under Armour Men's Tech 1/4 Zip Top
UA Tech is our original go-to training gear: loose, light & it keeps you cool. It's everything you need. How to measure chest place the tape measure under your arms at the fullest part of your chest, wrap around your body until your fingers meet and mark the measurement. Waist measure around your natural waistline—right above your hips. Be careful not to squeeze too tight to allow a little give.