His is an original, USSR – Soviet – Russian – Military Air-force – High Altitude pressure suite BKK-15M 5-P. It is designed for long high-altitude flights. VKK (BKK) stands for “vuisotnui kompensiruyushtii kostyum”- altitude compensation suit. There are connecting hoses that are to be attached to connectors in the cockpit. There is no separate pressure control valve on the suit itself – everything is controlled from within the cockpit. It is good condition and comes with original numbered storage bag and document with dates and official stamps. The suit is characterized by a quality control sign as well as by the factory producer’s stamp. With original fabric number. Several straps regulate the different parts of the suit so that it can fit skin tight or remain loose. Cm (red line part). Crotch to top 65cm(shallow blue line part). Ankle to shoulder 146 cm. Inside leg length 74 cm. (dark blue line part). Crotch to top 66cm(shallow blue line part). Ankle to shoulder 150 cm. Inside leg length 79 cm. Shoulder width 38.5. Ankle to shoulder 144 cm. Inside leg length 71 cm. Please tell me the size you want. We pay special attention and time to ensure that the products are well-packaged. You can order it confidently.