The Level Tank is designed with active particles embedded in the fabric vent heat in warm conditions and trap heat when it’s cold—technology that’s proven to increase your body’s efficiency by up to 26% at lactate threshold. Super soft fabric and flatlock stitching make it extremely comfortable.
- Athletic fit
- Super-soft fabric
- Powered by 37.5® technology, which helps warm you up when you’re cold and cool you down when you’re hot
- 34% 37.5® post-consumer recycled Polyester, 52% post-consumer recycled Polyester, 7% Wool, 7% Elastane
- Reflective "4" logo on back