Avenir Next with Butler in action on moreair.co

• .header-1 { font-family: AvenirNextLTW01-Regular, sans-serif; font-size: 14px; font-style: normal; font-weight: 400; letter-spacing: 2px; line-height: 12px; text-transform: uppercase; color: #777777; }
• .header-2 { font-family: ButlerUltraLight, serif; font-size: 74px; font-style: normal; font-weight: 400; letter-spacing: -1px; line-height: 83px; text-transform: none; color: #1A1A1A; }
• .content-1 { font-family: "Avenir Next W01 Light", sans-serif; font-size: 22px; font-style: normal; font-weight: 400; letter-spacing: normal; line-height: 35px; text-transform: none; color: #1A1A1A; }

Avenir Next is available from Fonts.com and MyFonts.

Butler is available from Font Squirrel.