The Jax crew-neck T-Shirt is engineered with specialist AeroMesh fabric panels for enhanced breathability throughout wear. It's shorts sleeves are finished with raglan stitching for easy movement. This garment is engineered with AeroMesh panels in key sweat zones to optimise breathability during intensive workouts. Crew neckline Short sleeves Raglan shoulder stitching Dual branding to chest and reverse Reflective patch to reverse Introducing Reiss | Castore is our latest activewear collaboration for men, offering a range of workout clothes in technical moisture-wicking, water-repellent, and breathable fabrications. Enhance the comfort and performance of your exercise clothes with hoodies, lightweight running jackets, cycling shorts, and more.