The hidden secret to comfort in the saddle, Endura’s undershorts collection offers a range of options. We believe our kids deserve the best and the high stretch, seamless knitted construction and a high quality 300 series pad make the kids Engineered Boxer a true best in class product. Seamless engineered knit construction. Strategically positioned ribs provide additional stretch and comfort. Fast wicking antibacterial finish. 300-Series kid's pad. Contains Silver Nitrate anti-microbial Biocidal finish which prevents the multiplication of odour-causing bacteria. Construction: Polyester 76%, Nylon 20%, Elastane 4%.