This sleeveless gilet features a water-resistant ProTek technology and stretch fabric at the upper back. It has zipped side pockets for convenience and Castore branding at the upper back and left chest. ProTek branding is at the lower right back. The Men's Apex Breathable Hybrid Quilted Gilet is woven for warmth and engineered for stretch with interlock fabric and a sleek nylon-elastane blend. ProTek technology resists the rain to keep you dry and comfortable in the elements, while zipped side pockets offer secure convenience on the move. Best for high intensity training.