| Size | UK | US Men's | US Women's | EU |
| Small | 2-4.5 | 4-6.5 | 34-37 | |
| Medium | 5-7.5 | 6-8.5 | 7-9.5 | 38-42 |
| Large | 8-11 | 9-12 | 10-13 | 43-46 |
| X-Large | 11.5-14.5 | 12.5-15.5 | 47-51 |
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Ideal for longer expeditions like ultra-trails, the SOFT FLASK XA FILTER filters bacteria and protozoa from natural water sources, so you can drink easily and safely without needing to carrying huge volumes of water. Shrinking as you drink to limit water bounce, the flask lets you know exactly how much you have left. Features a wide 42-mm cap.
Features:
- High-flow valve
- Large 42mm opening
- TPU & RF welded seams
- Filter included
- Meets US FDA testing protocol
- Use to refill with clean water.
- 100% BPA & PVC free
- PFC-free
Product Code: LC1915800
We offer the following delivery options for all UK orders:
Free Delivery 1-2 Working Days. Orders over £50
Standard Delivery £2.95 (1-2 Working Days) - Orders under £50
Next Day Delivery £4.95 (orders placed before 3:30pm Mon-Fri)
You have 28 calendar days to return the item to us. To be eligible for a return, your item must be in the original packing, unused and in the same condition that you received it. Please see our returns page for further information.