Valmiki Ramayana Ayodhya Kanda Sarga 30 Shloka 12

त्वया सह along with you, मार्गे on the way, कुशकाशशरेषीकाः Kusha, white reeds, Sara and Ishika grasses, कण्टकिनः thorny, ये द्रुमाः च other trees, तूलाजिन समस्पर्शाः shall feel like the touch of cotton and the skin of a black antelope.

The white reeds, the kusha, the sara and the ishika grasses and thorny trees on the way will feel as soft as cotton or as the skin of a black antelope.