Smartwool Active Fleece Beanie tight A full-length Pebax core delivers

A full-length Pebax core delivers serious energy return without adding weight

MATRYX one-piece woven upper reinforced with Kevlar resists abrasion and breathes well without losing structure over high-mileage use

FF BLAST PLUS ECO foam paired with PureGEL technology delivers a soft

and Flux Green — designed for serious training

FlashDry fabric pulls sweat away fast and dries quickly

Smartwool Active Fleece Beanie tight A full-length Pebax core deliversBuilt for high output cold weather efforts, the Active Fleece Beanie is our pick for runners and hikers who need warmth without the bulk. A merino fleece blend regulates temperature and resists odor naturally, so it stays fresh across back to back sessions. The low profile fit layers cleanly under helmets or hoods without bunching. Merino wool blend delivers natural warmth, breathability, and built in odor resistance Soft fleece interior adds comfort