It's the not covering anything near your drivetrain or feet that makes them pointless. Sure they'll keep your bum dry but so will an ass saver or a seatpost mounted thing.
If it's raining heavily, an Ass Saver will not keep your arse dry.
I learnt that last night. Wet arse, wet thighs, wet lower back...
If it's raining heavily, an Ass Saver will not keep your arse dry.
I learnt that last night. Wet arse, wet thighs, wet lower back...