I don' know much about golf gear, but I used to do a lot of road biking and most bike jerseys have a pocket in the back.
Dave
This one has 2 rear/side pockets
http://www.performancebike.com/webap...400040__400040
This is a men's version with one large rear pocket.
https://www.rei.com/product/895594/canari-coronado-bike-jersey-mens?CAWELAID=120217890001949895&CAGPSPN=pla&CAAGI D=15877514680&CATCI=aud-54816614184
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la-117834617320&lsft=cm_mmc
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