Quick answer

Measure your dress from waist to hem, then choose a half slip that ends 2.5–5 cm above it. Pick silk for smoothness and temperature regulation, or tulle for volume and a boudoir effect. Use your hip measurement, not your dress size, for the best fit.

How to choose a half slip length that works with your dresses

A half slip should end just above the hem of your dress or skirt so it stays hidden but still prevents clinging. For a midi dress that hits mid-calf, a slip ending 2.5–5 cm above the hem is ideal. For a mini, choose a shorter slip that ends at least 5 cm above the hem to avoid peeking out when you sit or walk. If you wear both lengths often, a midi-length slip gives more coverage and can be worn with longer dresses; for shorter dresses, a separate mini slip is better. Always measure your dress from waist to hem while wearing the shoes you plan to pair with it, because heel height changes the hem position.

Fabric choices: silk, tulle, and blends

Silk satin is smooth, breathable, and reduces static against hosiery, making it a strong choice for fitted dresses. Tulle adds volume and creates a sheer, boudoir look when worn as outerwear or under a sheer dress. Blends with a touch of elastane offer stretch for comfort but may not feel as luxurious. If static is your main problem, silk or a silk-blend slip works better than synthetic tulle. For layering under a sheer dress, a tulle or embroidered slip can add interest without bulk.

Fit and sizing: measure your hips, not your dress size

Half slips are sized by hip measurement, not dress size. Use a soft tape measure around the fullest part of your hips and compare to the brand's size chart. If you are between sizes, size up for comfort and to avoid riding up. The waistband should sit comfortably without digging in; elastic waistbands are adjustable but can twist, while smooth waistbands lie flatter under clothes. Check the length measurement in the size chart because it can vary by size. For a half slip that doubles as outerwear, a closer fit through the hips keeps the silhouette clean.

Decision rules for buying a half slip

  • Match length to your most-worn dress: Measure from waist to hem, then subtract 2.5–5 cm. If you wear mostly midi dresses, choose a midi slip; for minis, choose a shorter slip. A slip that ends too low will peek out; too high and it won't prevent clinging.
  • Choose silk for static and smoothness: Silk satin reduces static and feels cool against the skin. Tulle adds volume but can create static with some fabrics. If static is your main issue, silk is the safer choice.
  • Size by hip measurement: Use your hip measurement and the brand's size chart. If between sizes, size up to avoid riding up. Dress size is not a reliable guide for slip sizing.
  • Decide if you want dual-purpose wear: A half slip with lace detailing can be styled as a skirt with a sweater and heels, or worn under a dress for a peep of lace. Dual-purpose slips earn their place in a smaller wardrobe.

Product facts

  • Eleanor Damson Half Slip: Perfect for the underwear as outerwear look, this silk and lace half slip works either as a lingerie-inspired outerwear styling as a skirt in itself, with a sweater and heels, or beneath a dress for a peep of beautifully delicate lace to add interest to your whole outfit. One piece covers both layering under dresses and styling as a skirt, so you get more wear from a single purchase.
  • Eleanor Almond DD - G Cup Bra: The epitome of old time elegance, the Eleanor silk bra in a rich almond colourway combines indulgent silk satin lined cups and band with a delicate ivory eyelash lace, produced by the same couture lacemaker as the Duchess of Cambridge's wedding gown. The matching bra completes a coordinated set for bridal or special occasion wear under sheer or low-back dresses.
  • Isabelle Sheer Skirt: Whisper-soft golden tulle contrasts with luxurious embroidery and bold black silk in the Isabelle sheer skirt. A tulle slip adds volume and a boudoir effect; the neutral and black palette pairs with black lingerie you already own.

Who should buy which half slip

Best for

  • Wearing under midi or maxi dresses to prevent clinging and reduce static.
  • Creating a lingerie-inspired outerwear look with a sweater and heels.
  • Bridal or special occasion layering when you want a coordinated set.

Not for

  • Wearing under mini skirts or dresses where a shorter slip is needed.
  • Those who prefer the coverage of a full slip that extends over the bust.
  • Everyday wear if you dislike hand-washing delicate silk and lace.