Mens Helly Hansen Work Overalls: Helly Hansen Outerwear. Flexible and Resistant! This Highliner Bib from Helly Hansen remains flexible in cold weather, and is resistant to fish oils and petroleum products. It features abrasion resistant, symmetrically cut (front and back) for reversible use, suspenders have heavy duty elastic and snap type connectors, generous cut, and microwave welded seams. 70500