The new blok short sleeve tri top is a great choice if you prefer separates over a trisuit suitable for everyone from beginners to seasoned triathletes this top offers enhanced features premium fabrics and the colourful distinctive designs dhb blok is renowned for carefully chosen fabrics the fabric features xtra life lycra this was specifically chosen to meet the varying needs of triathletes not only is this chlorine resistant for indoor swims its also resistant to suncream