Craghoppers has changed the active ingredient in their insect-repellent clothing: they now use plant-based eucalyptus citriodora oil (biocide) as the active ingredient. It is milder than previously used active ingredients but helps prevent insects from landing and staying on the fabric surface. This shirt has a high UV protection factor: UPF40+. Additionally, its collar is designed so that when raised, it provides very good protection from the sun. The sleeves can be optionally rolled up and secured with buttoned tabs. - Regular fit, relaxed style - Technical, moisture-wicking fabric dries quickly if needed - Ventilation in the back - Odor-control treatment - Fabric with great moisture transfer - Security pocket - Two chest pockets - Sleeve pocket - A piece of microfiber cloth for cleaning sunglasses - Craghoppers Wash & Wear product: carefree, easy-care, no ironing required The active ingredient complies with the European Biocidal Products Regulation 528/2012/EU. It is certified