For information about Ultimate Direction running vests and Fastpacks, see our
Ultimate Direction pack guide.
If you are deciding how much carrying capacity you need, see our
running pack capacity and kit guide. Pack capacity should be considered alongside mandatory kit, aid-point spacing, weather, pace, access to crew and your preferred carrying strategy, rather than race distance alone.
If you need help with sizing, hydration or deciding whether 6.3 litres provides enough capacity for your particular race setup,
get in touch
for straightforward advice.