Buildup Half Zip - Black

A technical layer for the work in between. The Buildup Half Zip is a lightweight performance layer designed for training, warm-ups, running, and cooler movement days. Its streamlined athletic fit sits close to the body while flexible stretch allows you to move without added bulk. A half-zip neckline makes airflow easy to adjust as your session changes, while the minimal construction keeps the silhouette clean enough to move beyond training. Layer it. Train in it. Keep moving. Fit + Feel Streamlined athletic fit Designed to sit close through the chest and body Lightweight performance feel Flexible stretch construction Breathable and easy to layer Smooth, technical hand feel True to size for the intended fitted silhouette Product Details Men's long-sleeve performance half zip Half-zip neckline for adjustable ventilation Lightweight technical construction Minimal-seam design Four-way stretch Designed for training, running, warm-ups, travel, and everyday movement Easy to layer over a tee or wear on its own Fabric 53% Nylon, 41% Polyester, 3% Elastane  Care Machine wash cold Wash with like colors Do not bleach Tumble dry low or hang dry Do not iron directly over logos Do not dry clean For best results, wash inside out and avoid excessive heat to help preserve stretch, shape, and performance properties. Fit Recommendation True to size for the intended athletic fit. Choose your normal size for a streamlined silhouette. If you prefer additional room for layering or a more relaxed fit, size up. Buildup Half Zip — Final Size Chart Size Chest XS 35–36" S 37–38" M 39–40" L 41–42" XL 43–45" 2XL 46–48" How to measure: Measure around the fullest part of your chest, keeping the tape level and comfortably fitted. Fit note: The Buildup Half Zip is designed for a streamlined athletic fit. Choose your usual size for the intended silhouette, or size up if you prefer more room through the chest or for layering.