Jack Wolfskin Astro Vent 25 – Ventilated Hiking Pack for Demanding Trails (S–L)

Are you looking for a lightweight, ventilated hiking backpack that keeps up with you on the trail? The Jack Wolfskin Astro Vent 25 is a 25-liter trekking backpack for adventurers who don't compromise on comfort, organization, or performance. Weighing only 0.9 kg and measuring 54 × 31 × 10.5 cm, it strikes the perfect balance between lightness and the demands of the trail.

AEROVENT PRO Ventilated Mesh Back – Stay Cool on Every Ascent
A stiffened frame creates an open airflow channel between your back and the pack, reducing heat buildup and perspiration on steep climbs and in warm conditions.

S–L Height Adjustment – A Precise Fit for Every Hiker
Fine-tune the fit to your torso length and distribute the load evenly between your hips and shoulders. The hip belt features a mesh slide-in pocket – ideal for your phone, snacks, or a trail map.

Trail-Ready Features

• Trekking pole attachment + daisy chain loops and bottom loop
• Hydration system compatible – drink without stopping
• Internal RAINCOVER – integrated rain cover always with you
• Reflective details – visibility in low light
• SOS Alpine emergency instructions – safety included
• Side compression straps – stable load in technical terrain