Firstwatch Flotation Bibs - Black - Large. Although not classified as a PFD these pants provide positive boyancy and when worn in combination with a USCG approved PFD offer an extra layer of protection and warmth. COLOR: Black APPROVAL: Not classified as a PFD - must be worn with USCG approved PFD. SIZE: S Specifications for Firstwatch AP-1100 Flotation Bibs: Manufacturer: First Watch Age Group: Adults Color: Black Features of Firstwatch AP-1100 Flotation Bibs Color: Black Size: S Package Contents: Firstwatch AP-1100 Flotation Bibs Firstwatch AP-1100-B-L: AP-1100 Flotation Bibs - Black - Large