Features: Sleeveless silhouette 88% Nylon 12% Elastane 95 GSM Water-resistant ProTek technology Stretch fabric at upper back Zipped side pockets for added convenience on the move Castore branding at upper back and left chest ProTek branding at lower right back Our Men’s Apex ...Features: Sleeveless silhouette 88% Nylon 12% Elastane 95 GSM Water-resistant ProTek technology Stretch fabric at upper back Zipped side pockets for added convenience on the move Castore branding at upper back and left chest ProTek branding at lower right back Our 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.