Gul Radiation Technical Fleece Undersuit Onesie | Charcoal | 2021 The new Gul Radiation Technical Fleece Undersuit has been designed using premium quality materials. This undersuit uses 300 gram anti-pilling Quick Dry fleece material to provide superior warmth and insulation beneath the drysuit outer layer. It features a full length two way zip for ease-of-entry, whilst elasticated wrist allows for a snug and tailored fit. This undersuit also features foot loops which help keep your fleece in place during movement. Features   300 gsm fleece Quick-Dry breathable polar fleece for warmth and comfort Full length 2-way zip Crew neck Elasticated wrists for snug fit Thumb loops for ease of donning Elasticated back for tailored fit Elasticated ankle Foot loops to prevent garment riding up during movement