Baselayer LS Shirt/ Jnr/ Snr/ CORE/ Stanno A sweat-wicking 92% Poly and 8% Elastane, long-sleeve shirt with a comfortable and dry feeling with mesh panels at the neck and armpits to ensure extra ventilation. The shirt is slim-fit and has a lot of stretch in the material to give you freedom of movement and features flat stitching that provides comfort. In addition, this shirt has thumb holes so that it stays in place during your training or game.