In the relatively short time they've been around, Senchi's Alpha Hoodies have already become a cult-favourite in the ultralight hiking community thanks to their low weight and high versatility. Weighing in at just 108g (for a Medium), the Alpha Direct 60 is the lightest hoodie they make, designed for high-intensity activities like trail running or fast hiking where breathability is key while you're on the move.

The main ingredient is that Polartec Alpha Direct 60 fabric-a highly breathable 60gsm recycled polyester fleece fabric renowned for its warmth to weight ratio. Add in a balaclava hood and thumb loops on the cuffs and you've got a supremely useful insulation layer ideal for pairing with a windbreaker before you head off into the hills.