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polarized lenses and UV400 protection that blocks 100% of those harmful UVA and UVB rays
designed for short runs and fast training sessions that require comfort and functionality
Altra built it to perform by increasing the stack height from 33mm to 36mm
endurance events or to support endurance performance
Hydrapak Ultraflask 500ml + Filter natural fibre polarized lenses and UV400 protectionDescription The UltraFlask 500ml + Filter Kit is a compact and efficient solution for safe hydration; designed to provide clean water on the move. With a flexible and compressible design; it fits securely in hydration packs and vest pockets; ensuring stability and comfort while reducing bulk as you drink. The 42mm wide opening allows for easy filling at water sources; and the bite valve delivers smooth; drip free sips with every drink. The secure grip
