It is the sizing liner supplied with the helmet that makes it fit that size range

● Length for size Small (from shoulder to bottom) : 19" (48 cm)

Infrared paneling quilted with super light RDS® down is strategically mapped to crank up the thermostat right where you need it

Materials 70% Recycled Nylon

• DURABILITY - Lightweight

Carhartt WIP Chase Zip Hoodie Styx/Gold Size:Medium It is the sizing linerThe Hooded Chase Jacket is constructed from heavyweight polycotton jersey in a regular fit. The fabric has also been brushed, giving it a fleece like backing. The item features raglan sleeves and is detailed with flatlock stitching. An embroidered 'C' Logo appears on the left sleeve. Zip fastening Kangaroo pocket Adjustable hood, Draw cord m