A quiver of one. The Holt Jr. helmet serves up four-season certification, so your young sports junkie can reach for one helmet for coverage from terrain park to skate park or backcountry kicker. Smith's bombshell construction means it holds up to the hard knocks of living the life. Plenty of vents keep the air flowing and their goggles fog-free. An adjustable dial provides just the right fit for the season. An adjustable dial provides just the right fit for the season. While form fitting ear pads keep you warm during the winter, or simply pull them out for room to breathe during the summer.