The black James running top is part of the REISS collaborative collection with sportswear label Castore. It's fitted with raglan sleeves and a shaped collar for comfort and a wide range of movement, crafted from quick-drying, lightweight, breathable stretch nylon. It's adorned with reflective logos by both labels for visibility in low light. Shaped collar. Raglan sleeves. Reflective logos. Breathable. Lightweight. Quick-drying fabrication. Zip close. The model is wearing a size M.