Planning for retirement can be a daunting task, especially when you consider the substantial amount needed to retire comfortably in the UK. According to wealth management firm Quilter, a pension of £691,000 is required, which is a significant sum for most Britons. But what if investing in FTSE 100 shares could be a part of the solution? This article explores the potential of FTSE 100 shares, particularly focusing on Polar Capital Technology Trust Plc, as a means to boost retirement savings. While it's important to note that FTSE 100 shares are just one piece of the puzzle, they can play a crucial role in building a substantial retirement pot. A multi-pronged approach, including tax-efficient investment accounts and diversification, is key to success. One such investment vehicle is the Self-Invested Personal Pension (SIPP), which offers tax relief on contributions. However, it's essential to remember that tax treatment can vary, and professional advice is recommended. When it comes to investments, a diversified global portfolio has historically outperformed the FTSE 100. Now, let's delve into a Footsie star that's worth considering: Polar Capital Technology Trust Plc. This investment trust focuses on the technology sector, offering exposure to companies driving the digital revolution. With a portfolio of around 100 shares, including tech giants like Nvidia, Alphabet, and AMD, it has a strong track record of returns. Over the last decade, it has delivered over 25% annual returns, significantly outperforming the FTSE 100. The trust's global focus, with a significant allocation to the US and Asia, further enhances its appeal. However, it's important to remember that tech stocks can be volatile, and a balanced approach is advised. Investing in Polar Capital Technology Trust Plc could be a strategic move for Britons looking to boost their retirement savings. With the potential for significant returns and a focus on a growing sector, it's a stock worth considering. But remember, it's just one piece of the puzzle, and a comprehensive retirement plan should include a variety of investment strategies. As an investor, it's crucial to stay informed and seek professional advice to make the most of the market's opportunities.