Slam Jam recommends wearing only the following when it’s cold out: avant garde Stone Island jackets, tactical vests, leather biker jackets, rubber jackets, cyberpunk cotton zip-up jackets, Taxi Driver jackets and other re-purposed military classics, premium down jackets, lightweight quilted jackets, North Face classics, sustainable Patagonia shells, anoraks, parkas, bombers and properly embroidered college varsity jackets