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Men's Long Underwear & Base Layer

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Men's Long Underwear and Base Layers

Shop L.L.Bean for Men's long underwear and base layers. Whatever your outdoor layer needs are, we have the base layer for you. Our wool base layer is ideal for midweight warmth for a variety of outdoor activities. Choose our thermal underwear for a supersoft layer for all-day comfort. Our long underwear selection will keep you warm on chilly nights with long johns for subzero temps. We feature top brands like our Under Armour base layer and our Hot Chillys base layers. L.L.Bean Men's long underwear and base layers are made to fit your outdoor needs and your budget, and they come with our 100% satisfaction guarantee. L.L.Bean base layers are always shipped free and guaranteed to last.

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Free Shipping. No minimum order, no end date, just free.
Free Shipping. No minimum order, no end date, just free.

EVERYDAY FREE SHIPPING We proudly offer free shipping and handling in the US and Canada. Free Shipping will be applied automatically to all qualifying orders — no minimum purchase, coupons or promotion codes are required.

Most packages in the contiguous US will arrive in 2 to 5 business days.* Estimated delivery times for AK, HI, APO/FPO, US possessions and Canada will be provided during checkout. Not valid for Direct to Business orders or some international locations.

EXPRESS DELIVERY If you need your order sooner, we offer an expedited two-day* service for a fee. Available to most US addresses. Add $15 per address in the contiguous US and $17 per address in AK and HI.

OVERSIZED DELIVERY CHARGES A small percentage of our large items requires oversized delivery charges; those charges are listed on the product page and are also displayed in your Shopping Bag.

*Monogramming, special services and certain items shipped directly from our suppliers may require more time. We will notify you when you place your order.