![The OP 50 is a mountaineering backpack designed to carry rescue equipment and perfect for use over any mountain terrain. Developed with and supplied t - Ferrino The OP 50 is a mountaineering backpack designed to carry rescue equipment and perfect for use over any mountain terrain. Developed with and supplied t - Ferrino](https://www.ferrino.it/k-components/resize/w_2000-h_2000/k-content/ferrino/themes/ferrino/html/imagebank/e-shop/photogallery-27438/1014.jpg)
The OP 50 is a mountaineering backpack designed to carry rescue equipment and perfect for use over any mountain terrain. Developed with and supplied t - Ferrino
![At an external temperature of 5°C, an internal temperature of 50 °C is maintained for 16 h for mod. 0,35 l, 0,5 l | 60°C for mod. 0,75 lt - Ferrino At an external temperature of 5°C, an internal temperature of 50 °C is maintained for 16 h for mod. 0,35 l, 0,5 l | 60°C for mod. 0,75 lt - Ferrino](https://www.ferrino.it/k-components/resize/w_2000-h_2000/k-content/ferrino/themes/ferrino/html/imagebank/e-shop/photogallery-28553/1428.jpg)
At an external temperature of 5°C, an internal temperature of 50 °C is maintained for 16 h for mod. 0,35 l, 0,5 l | 60°C for mod. 0,75 lt - Ferrino
![Consiglia Zaino Donna 50 litri FERRINO TRANSALP 50 LADY 75707MBB trekking - Emmecisport.com - The Sport Shop On-Line Consiglia Zaino Donna 50 litri FERRINO TRANSALP 50 LADY 75707MBB trekking - Emmecisport.com - The Sport Shop On-Line](https://www.emmecisport.com/large/catalogo/ferrino-transalp-50-lady-75707-mbb-blu-zaino-trekking-donna-50-litri.jpg)