The brewery say:

Mayday is a national collaboration to help raise awareness of men's mental health.

SPONSORED by BarthHaasX - an industry leading hop supplier

15p from every can goes to the Mayday charities.

1 x 440ml Roosters Brewery Co. x McColl's Brewery Perfect Circle - 4.3% Session Cold IPA

1 x 440ml Moor Beer x McColl's Brewery Changing Minds - 2.5% Hoppy Table Beer

1 x 440ml McColl's Brewery x Abbeydale Brewery. Signal - 5.5% Extra Hoppy Bier

1 x 440ml Brew York x McColl's Brewery A Problem Shared - 5.8% West Coast IPA

1 x 440ml Attic Brew Co. x McColl's Brewery Life Raft - 3.8% Session Pale

1 x 440ml Anspach & Hobday x McColl's Brewery Parachute Pale - 4.5% Pale Ale