Maxisafe Self Contained Breathing Apparatus (SCBA) (RSCBA RN.MINI S) Lace Up Safety Boots The revolution Flex wheel ratchet The revolution Flex wheel ratchet harness secures the helmet XS S M L XL 2XL 3XL 4XL 5XL 6XL 7XL 8XL Regular Sizes 67R 72R 77R 82R 87R 92R 97R 102R 107R 112R 117R 122R 127R 132R Waist (inches) C 26 28 30 32 34 36 38 40 42 44 46 48 50 52 Waist (cm) 72 77 82 87 92 97 102 107 112 117 122 127 132 Out leg (cm) D 108 109 110 111 112 112 112 112 113 113 113 113 113 Stout Sizes 87S 92S 97S 102S 107S 112S 117S 122S 127S 132S 137S 142S 147S 152S Waist (inches) C 34 36 38 40 42 44 46 48 50 52 54 56 58 60 Waist (cm) 87 92 97 102 107 112 117 122 127 132 137 142 147 152 Out leg (cm) D 105 106 107 108 108 108 108 108 108 108 This SCBA is specifically engineered for ease of use in tight spaces and short term scenarios Breathable air supply from a compressed air cylinder