Mammutのインスタグラム(mammut_swiss1862) - 4月18日 23時46分

A good preparation is key to top performances in Trail Running. Here you see Helen Bonsor getting ready for her record attempt on the Tranter's Round in Scotland. Read her story on our blog. Follow the link in our profile.

#absolutealpine #mountaintraining #trailrunning #runoutside #mountainvibes

[BIHAKUEN]UVシールド(UVShield)

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