Fit Guide Fits true to size. Benefits Adaptive Thermal Regulation — Polartec® Alpha™ insulation dynamically retains heat when you slow down, and releases excess warmth when active. Lightweight & Low Bulk — Delivers insulation without heft, making the pant suitable for layering or wearing as a standalone piece. Highly Breathable — Engineered knit structure with mesh core allows continuous airflow and moisture transfer. Fast-Drying, Moisture Resistant — Hydrophobic fiber helps shed moisture and prevents internal dampness. Compressible & Packable — Packs down efficiently without losing insulating effectiveness. Durable Performance — Maintains insulating and breathable properties even after repeated use and compression. Designed for Stop-Start Activity — Adapted from military-grade origins for dynamic environments where exertion levels vary. Engineered Mobility — Gusseted crotch provide freedom of movement during active pursuits. Details 100% Polyester 136 GSM fabric Garment weight: 230g / 8.1oz Machine wash cold. Hang dry or tumble dry low. Do not iron. The Florence Polartec® Alpha Direct Pant delivers lightweight, breathable warmth without bulk. Built with Polartec® Alpha™ insulation, these pants regulate body temperature by retaining heat when you’re still and releasing excess warmth when active. A gusseted crotch ensures full freedom of movement, while the fast-drying, packable design makes them ideal for stop-start activity in changing conditions. Wear them as a base layer or on their own for versatile performance.