The SOFT FLASK STRAW , Compatible with SOFT FLASK ULTRA 100K + SERIES™ WEIS , it reduces the suction effort because the anti-drip valve allows the liquid to come out only when it is bitten.
ULTRA 100K+ SERIES™
Our exclusive line -designed with the highest technical performance- for elite athletes and long-distance runners.
- Non-drip bite valve
- Blocking of open/closed positions
- Free of PVC, phthalates and BPA
TO. With straw.
b. It offers the possibility of disassembling the straw and using the SOFT FLASK 500 ML only with the non-drip bite valve.