The GH 103 Guide Chest Harness is “One Size Fits Most” with Small & L/XL available on special order . Designed and tested to ASTM F-1772 Standard for Harnesses in Rescue, Safety & Sport Applications. This Chest harness meets & exceeds CE & UIAA testing. Designed to be used in with a seat harness for individuals to enjoy recreational activities or Commercial applications where risk of inversion is possible with comfort and safety in mind. Check out our “Harness Accessories” page to add gear loops, belt keepers, and padding. Contact Sales@RobertsonHarness.com for any customization you may be seeking.