Harkila Instinct T-Shirt miniature Heat duration: approximately 20–40 minutes

Heat duration: approximately 20–40 minutes depending on weather conditions

20% acrylic

Fast activation time of approximately 2–4 minutes

Adjustable hems with strong Velcro

Designed for use in dynamic situations

Harkila Instinct T-Shirt miniature Heat duration: approximately 20–40 minutesHarkila Instinct T Shirt Casual, breathable, and rugged, the Harkila Instinct Short Sleeve T Shirt is designed for men who enjoy life outdoors. With soft brushed polycotton fabric, it's great for it's moisture wicking property making it ideal for layering or wearing on its own for all day outdoor comfort. Key Features & Benefits Brushed 170 g m single jersey Made from 50% cotton and 50% polyester that's a soft, durable, and breathable fabric for