We found 2 fonts on https://lrb.co.uk

CachedRecheck
span
a
div
li
p
ul
button
h4
31 Styles

Ideal Sans

Designed by Hoefler & Frere-Jones, Hoefler & Frere-Jones
span
a
h3
div
h2
li
p
ul
h1
h4
strong
46 Styles

Quadraat Pro

Designed by Fred Smeijers, FSI

FontofWeb by Simdi Jinkins & Onyemsobi