The shorts weren't very long at all (by definition, but also in actual fact), so he could easily reach where Harley's legs met her hips. And consequently where he would probably have felt the edge of her underwear if she'd bothered with any.

Look, this was a lazy morning outfit, it wasn't going to consist of many items!

"Damn right I do," she declared, as she ran her own hands up his arms a little. "No point not giving things a shot!"