Stay warm, dry, and safe with the Swanndri Grubs Fenline High Work Boot. The 5mm INSUFOAM-ULTRA™ neoprene and calf height rubber shell provides comfort and warmth, while the TREDZ™ Outsole, featuring HEXZOR™ technology, offers superior grip even on soft ground. With hard toe technology and a reinforced heel, this boot provides both protection and stability. Comfort rating: -20°C to 20°C.