The Burton Hayrider Sweater Full-Zip Fleece 2021 is a great mid-layer in a regular fit that is not too tight or too baggy. This technical layer features Polartec Thermal Pro, providing outstanding thermoregulation and breathability, is pilling-resistant and highly durable. Details like stretch binding at cuffs, a drawcord cinch at hem and interior storm flap behind the zipper keeps out the wind for all day comfort on and off the mountain.