1. Lightweight Thermal Set 92% Polyester and 8% Spandex. Thermal and long johns made from ultrasoft fabric. Designed to provide maximum mobility and warmth without bulk. 2. Elastic & 4Way Stretch Breathable and comfortable fit. The 4way stretch delivers full mobility and a squatproof design. Strong seams resist tearing. stretchable and soft, making it easy to slip the baselayer on and off. 3. Warm & Moisture Wicking Ideal for cold weather with normal thickness. Lightweight yet warm, featuring a moisture transport system that wicks sweat fast to keep you dry and light. Helps prevent clamminess while insulating from the cold. 4. Choice for Matching Fits snug like a second skin for heat retention, ideal as a base layer or worn on its own. Long johns wrist closure design locks in heat and isolates cold air; fly/pee hole design is practical for daily wear. Easily pairs with dress attire or casual outerwear, or can be worn as comfy pajamas on chilly nights. Dress under clothing to stay warm in cold climates or bad weather. Use scenarios Outdoor winter activities such as skiing, hiking, or snow shoveling, where mobility and warmth are essential. Daily wear under formal or casual outerwear during cold commutes or in cold offices, or worn alone as a base layer. Comfortable sleepwear or loungewear on chilly nights.