Vass Lightweight chest wader The Vass-Tex 350 modern PVC wader benefits from the usual high quality of workmanship and raw materials, the upper part is almost 50% lighter than its brother the Vass-Tex 700 Heavy-Duty wader. This was developed for anglers who require a lighter, more supple and compact chest wader. Although not as hard wearing as it’s heavy duty brother, it retains reliability unrivalled by other lightweight chest waders in its class!