OVERVIEW

Polartec Power Grid — 119 gsm flat fleece with the signature grid back, engineered to move moisture off skin and across to outer layers for evaporation. Peak Performance builds it into the Freelight Grid Crew (running base/mid, 90D stretch poplin face) and the Trail Zip Hood (mountain mid-layer with hood and trail cut). Men's crew ~260g; women's ~210g. Made without intentionally added PFAS. Built for the moment effort turns to mist. Men's Freelight Grid Crew, ~260g, 90D stretch poplin face, grid back, the run base/mid.

DETAILS

Best for:

Trail running in cool-to-cold shoulder season

High-output fast hiking

As a base under a Freelight Alpha or HIPE shell on the coldest days

Moisture management on multi-hour efforts

Year-round early-morning training

Specs:

Polartec Power Grid 119 gsm grid-back flat fleece

102 gsm 90D stretch poplin face (Freelight crew)

Woven zip chest pocket, flat elastic hem

Flatlock seams

Made without intentionally added PFAS

Men ~260g / women ~210g (crew)

Polartec Power Grid 119gsm flat fleece with grid back; 102gsm 90D stretch poplin face; ~260g

Colourway: Black / Black

Sizing: S / M / L

Pairs with Trail HIPE shell, Freelight Alpha Hood, Helium Down Vest, and Ground Cap.

MATERIALS & CARE

Fabric: Polartec Power Grid 119gsm flat fleece with grid back; 102gsm 90D stretch poplin face; ~260g with PrimaLoft ThermX / Polartec Alpha / Polartec Power Grid insulation. Machine wash cool to warm (30–40°C) on gentle with a technical wash, no fabric softener. Zip all zippers. Tumble dry low or air-dry. Do not iron directly on membrane or print. Do not dry-clean.

BUNDLE & SAVE

Build a bundle and save up to 10% off.

Shop Bundle Builder