The Helly Hansen Addvis Hi-Vis Stretch Sweatshirt provides EN ISO 20471 compliant hi-vis visibility in a comfortable, flexible mid-layer suitable for site investigation and construction work. The four-way stretch fabric moves with you for unrestricted mobility during active fieldwork. Suitable as a hi-vis layer for borehole supervision, trial pit logging, and site walkover surveys where full waterproof outerwear is not required.

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