I purchased this here before, but due to circumstances, I no longer have the opportunity to use it, so I am putting it up for sale. I have not used it since purchasing it. ✨Massdrop × Klymit Ultralight V Sleeping Pad✨ This is a limited collaboration model of an ultralight air mattress by the American group-buying site "Massdrop" and the outdoor brand "Klymit." ※This item is a popular short size! ✅ Lightweight & Highly Insulated! All-season model with an R-value of 4.4 Despite weighing only about 440g, it incorporates 60g/m² of synthetic fiber, achieving excellent insulation performance with an R-value of 4.4. It's a specification that can be used with confidence for UL hikes, mountaineering, and camping in cold seasons. ✅ Lightweight & Compact with 20D Nylon It uses supple and highly durable 20D nylon. It packs down to a compact size of just 9 x 9 x 18 cm, perfect for those who are UL-oriented! ✅ Lightweight & Comfort Combined with 152cm Short Size A short pad type with a total length of 152cm. It can cover the entire body for those who are small or women, and the efficient design also helps to lighten the load. ✅ Anti-Slip Coating to Prevent Slipping The back is treated with an anti-slip coating to prevent slipping inside the tent and support comfortable sleep. ✅ Currently a Hard-to-Find Deadstock Item! This model is only sold in limited quantities within the United States and is not sold in Japan. It is currently in a deadstock state, and it is a rare item that is rarely seen on the market. 【Specifications】 * Material: 20D nylon * Insulation: 60 g/m² synthetic fiber * R-value: 4.4 (All-season) * Size: 152 × 51 × 6 cm * Storage size: 9 × 9 × 18 cm * Weight: Body approx. 440g (including stuff sack approx. 454g) * Color: Stealth Green (front) × Dark Charcoal (back) * Valve specifications: Flash Flat Valve * Other: Anti-slip coating * Country of origin: Made in USA No holes or air leaks! It is in beautiful condition with no noticeable scratches or stains! ⚠️Because it is an unreleased and rare model in Japan, those who have been looking for it should consider it as soon as possible!