CMP Stretch Performance Half-Zip Unisex Kid's Mid-Layer Knitwear The helmet is compatible with

The helmet is compatible with the POC Aid Communication Headset

also offering superior comfort when worn under larger outer layers

Finally you have Olang's signature Olantex membrane to protect you from the elements

ON/OFF on the strap sleeve

Slim-fitting

CMP Stretch Performance Half-Zip Unisex Kid's Mid-Layer Knitwear The helmet is compatible withSimple yet functional, suitable for both sports and free time, this half zip turtleneck in Stretch Performance fabric is ideal for all kinds of outdoor activities. It can be used both as a second layer and as an outer layer on warmer days. Lightweight, insulated and breathable, it is also easy to wash and dries quickly. Highly functional Ergonomic fit Front zip with partial inner windproof flap and anti chafing cover Size Guide 104 Age 3 4 110 Age 4 5