When the trail gets steeper and the temperature rises, the Rab Airox 28 ND women’s hiking backpack is designed with a slim fit to provide optimal comfort thanks to its ventilated back system. Equipped with all the necessary features and stability that adapts to your body’s movements, it’s ideal for hikes in hot weather and light overnight trips. “Narrow Dimensions” (ND) backpacks are designed with smaller proportions than standard backpacks, making them perfectly suited for smaller frames.