Description The Sonic Tee is an efficient short-sleeved tee, ideal for mountain running and fast hiking. It’s designed with a regular fit in a lightweight, breathable fabric, finished with an odour control treatment to keep you fresh over many miles. Perfect for all-mountain action as a baselayer, or for wearing alone on warmer days. Lightweight and packable, it’s great for multi-day hiking adventures and runs of any distance. Fast-drying and breathable Motiv™ Aero fabric. Sweat wicks quickly through the subtle mesh structure. Raglan sleeve construction. Microactive seams stretch and move with you.