'Tis the season for loads of layering! With all your piled-on sweaters, shirts and coats, it's tough enough to get warm, much less feel sexy. You can always bring sexy back to cold weather bulk with some secret, silky underpinnings. Here we show you some of the coziest sweaters and luxe lingerie to don and doff on frosty days. As rapper Erick Sermon once said, "If it gets hot, take off the hot sweater!"

Lounge around the house on a Sunday in this adorable Mayle sweater reminiscent of the baby sweaters Grammy used to knit. Doesn't it look unbelievably comfy? Mayle cardigan, available on satineboutique.com, $555

Underneath the Mayle cardigan, this ultra-feminine baby pink Alumette Hollywood set brings a little spring to offset the chill. Alumette Hollywood demi-cup bra and panty set, available at figleaves.com, $51 and $30

Try these muted Sparkle and Fade over-the-knee socks with the Mayle cardigan and Alumette set to complete a modern dolly girl look that's not over-the-top. Sparkle and Fade lettuce edge socks in heather grey, available at Urban Outfitters, $12

Who says rugby and cashmere don't mix? Lily McNeal makes a perfect, sensuous partnership between the two. Lily McNeal cashmere rugby sweater, available at Neiman Marcus, $253

Put this bright white Felina Daniella bra under your rugby sweater and pair it with these ruffle plaid cotton knickers to top off the collegiate look. Go team, go! Felina Daniella Bra in white, available at thelittleflirt.com, $36. Steven Alan cotton ruffle panty, available at stevenalan.com, $33

Keep toasty and look stately buttoned up in this Laureate Lane cardigan on a quiet dinner out on the town. Snowflake cardigan by Laureate Lane, available on anthropologie.com, $148

Ladies love La Perla. Let the elegance continue under the Laureate Lane with this dainty La Perla Lifestyle set. La Perla Lifestyle embroidered and padded demi bra and thong, available at eluxury.com, $228 and $93

Bring out the bold graphics with this kicky Miss Sixty sweater that's perfect for a Saturday of shopping. Miss Sixty Yvette Sweater, available at Miss Sixty, $159

Soften up Miss Sixty's zigzags with this saucy Mary Green ruffle set in cinnamon. Mary Green ruffle triangle bra and panty, available at
Urban Outfitters, $14 and $12

Are you ready for luxury? Wrap yourself up in this scrumptious kimono-esque cashmere Karoo Mark Eisen dress. Karoo Mark Eisen cashmere wrap dress in Cranberry, available at Nordstrom, $342

Unleash your wild side beneath the soft Karoo dress with this spicy Marvel Eva Garden animal print set. Marvel Eva Garden Triangle Bra and Panty, available at barenecessities.com, $135 and $104